Home / 108,177.18-149,274.63-60,423.90

Finding the Fourth Proportional to 108,177.18, 149,274.63 and 60,423.90

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Solution

The fourth proportional to 108,177.18, 149,274.63 and 60,423.90 is: 83,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,177.18 : 149,274.63 = 60,423.90 : x
  2. Step 2: Convert to fraction form
    108,177.18/149,274.63 = 60,423.90/x
  3. Step 3: Cross multiply
    108,177.18x = 149,274.63 × 60,423.90
  4. Step 4: Simplify right side
    108,177.18x = 9,019,755,315.66
  5. Step 5: Solve for x
    x = 9,019,755,315.66/108,177.18
  6. Step 6: Final answer
    x = 83,379.46

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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.