Home / 108,153.48-149,250.95-62,857.97

Finding the Fourth Proportional to 108,153.48, 149,250.95 and 62,857.97

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Solution

The fourth proportional to 108,153.48, 149,250.95 and 62,857.97 is: 86,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,153.48 : 149,250.95 = 62,857.97 : x
  2. Step 2: Convert to fraction form
    108,153.48/149,250.95 = 62,857.97/x
  3. Step 3: Cross multiply
    108,153.48x = 149,250.95 × 62,857.97
  4. Step 4: Simplify right side
    108,153.48x = 9,381,612,032.13
  5. Step 5: Solve for x
    x = 9,381,612,032.13/108,153.48
  6. Step 6: Final answer
    x = 86,743.51

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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.