Home / 108,689.22-149,999.81-60,295.92

Finding the Fourth Proportional to 108,689.22, 149,999.81 and 60,295.92

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Solution

The fourth proportional to 108,689.22, 149,999.81 and 60,295.92 is: 83,213.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,689.22 : 149,999.81 = 60,295.92 : x
  2. Step 2: Convert to fraction form
    108,689.22/149,999.81 = 60,295.92/x
  3. Step 3: Cross multiply
    108,689.22x = 149,999.81 × 60,295.92
  4. Step 4: Simplify right side
    108,689.22x = 9,044,376,543.78
  5. Step 5: Solve for x
    x = 9,044,376,543.78/108,689.22
  6. Step 6: Final answer
    x = 83,213.19

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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.