Home / 108,223.20-162,357.12-38,151.36

Finding the Fourth Proportional to 108,223.20, 162,357.12 and 38,151.36

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Solution

The fourth proportional to 108,223.20, 162,357.12 and 38,151.36 is: 57,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,223.20 : 162,357.12 = 38,151.36 : x
  2. Step 2: Convert to fraction form
    108,223.20/162,357.12 = 38,151.36/x
  3. Step 3: Cross multiply
    108,223.20x = 162,357.12 × 38,151.36
  4. Step 4: Simplify right side
    108,223.20x = 6,194,144,933.68
  5. Step 5: Solve for x
    x = 6,194,144,933.68/108,223.20
  6. Step 6: Final answer
    x = 57,234.91

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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.