Home / 108,330.20-162,495.30-101,331.80

Finding the Fourth Proportional to 108,330.20, 162,495.30 and 101,331.80

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Solution

The fourth proportional to 108,330.20, 162,495.30 and 101,331.80 is: 151,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,330.20 : 162,495.30 = 101,331.80 : x
  2. Step 2: Convert to fraction form
    108,330.20/162,495.30 = 101,331.80/x
  3. Step 3: Cross multiply
    108,330.20x = 162,495.30 × 101,331.80
  4. Step 4: Simplify right side
    108,330.20x = 16,465,941,240.54
  5. Step 5: Solve for x
    x = 16,465,941,240.54/108,330.20
  6. Step 6: Final answer
    x = 151,997.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.