Home / 108,369.38-149,560.98-62,430.60

Finding the Fourth Proportional to 108,369.38, 149,560.98 and 62,430.60

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Solution

The fourth proportional to 108,369.38, 149,560.98 and 62,430.60 is: 86,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,369.38 : 149,560.98 = 62,430.60 : x
  2. Step 2: Convert to fraction form
    108,369.38/149,560.98 = 62,430.60/x
  3. Step 3: Cross multiply
    108,369.38x = 149,560.98 × 62,430.60
  4. Step 4: Simplify right side
    108,369.38x = 9,337,181,717.99
  5. Step 5: Solve for x
    x = 9,337,181,717.99/108,369.38
  6. Step 6: Final answer
    x = 86,160.70

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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.