Home / 104,430.96-144,115.00-56,684.30

Finding the Fourth Proportional to 104,430.96, 144,115.00 and 56,684.30

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Solution

The fourth proportional to 104,430.96, 144,115.00 and 56,684.30 is: 78,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.96 : 144,115.00 = 56,684.30 : x
  2. Step 2: Convert to fraction form
    104,430.96/144,115.00 = 56,684.30/x
  3. Step 3: Cross multiply
    104,430.96x = 144,115.00 × 56,684.30
  4. Step 4: Simplify right side
    104,430.96x = 8,169,057,032.21
  5. Step 5: Solve for x
    x = 8,169,057,032.21/104,430.96
  6. Step 6: Final answer
    x = 78,224.48

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.