Home / 108,830.82-163,169.66-42,214.80

Finding the Fourth Proportional to 108,830.82, 163,169.66 and 42,214.80

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Solution

The fourth proportional to 108,830.82, 163,169.66 and 42,214.80 is: 63,292.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,830.82 : 163,169.66 = 42,214.80 : x
  2. Step 2: Convert to fraction form
    108,830.82/163,169.66 = 42,214.80/x
  3. Step 3: Cross multiply
    108,830.82x = 163,169.66 × 42,214.80
  4. Step 4: Simplify right side
    108,830.82x = 6,888,174,562.97
  5. Step 5: Solve for x
    x = 6,888,174,562.97/108,830.82
  6. Step 6: Final answer
    x = 63,292.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.