Home / 108,148.15-149,229.70-60,395.41

Finding the Fourth Proportional to 108,148.15, 149,229.70 and 60,395.41

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Solution

The fourth proportional to 108,148.15, 149,229.70 and 60,395.41 is: 83,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,148.15 : 149,229.70 = 60,395.41 : x
  2. Step 2: Convert to fraction form
    108,148.15/149,229.70 = 60,395.41/x
  3. Step 3: Cross multiply
    108,148.15x = 149,229.70 × 60,395.41
  4. Step 4: Simplify right side
    108,148.15x = 9,012,788,915.68
  5. Step 5: Solve for x
    x = 9,012,788,915.68/108,148.15
  6. Step 6: Final answer
    x = 83,337.43

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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.