Home / 104,189.77-143,781.42-56,443.24

Finding the Fourth Proportional to 104,189.77, 143,781.42 and 56,443.24

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Solution

The fourth proportional to 104,189.77, 143,781.42 and 56,443.24 is: 77,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,189.77 : 143,781.42 = 56,443.24 : x
  2. Step 2: Convert to fraction form
    104,189.77/143,781.42 = 56,443.24/x
  3. Step 3: Cross multiply
    104,189.77x = 143,781.42 × 56,443.24
  4. Step 4: Simplify right side
    104,189.77x = 8,115,489,196.60
  5. Step 5: Solve for x
    x = 8,115,489,196.60/104,189.77
  6. Step 6: Final answer
    x = 77,891.42

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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.