Home / 108,141.18-149,233.77-60,393.30

Finding the Fourth Proportional to 108,141.18, 149,233.77 and 60,393.30

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Solution

The fourth proportional to 108,141.18, 149,233.77 and 60,393.30 is: 83,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,141.18 : 149,233.77 = 60,393.30 : x
  2. Step 2: Convert to fraction form
    108,141.18/149,233.77 = 60,393.30/x
  3. Step 3: Cross multiply
    108,141.18x = 149,233.77 × 60,393.30
  4. Step 4: Simplify right side
    108,141.18x = 9,012,719,841.74
  5. Step 5: Solve for x
    x = 9,012,719,841.74/108,141.18
  6. Step 6: Final answer
    x = 83,342.16

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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.