Home / 351,722.66-527,633.19-115,018.18

Finding the Fourth Proportional to 351,722.66, 527,633.19 and 115,018.18

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Solution

The fourth proportional to 351,722.66, 527,633.19 and 115,018.18 is: 172,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,722.66 : 527,633.19 = 115,018.18 : x
  2. Step 2: Convert to fraction form
    351,722.66/527,633.19 = 115,018.18/x
  3. Step 3: Cross multiply
    351,722.66x = 527,633.19 × 115,018.18
  4. Step 4: Simplify right side
    351,722.66x = 60,687,407,902.31
  5. Step 5: Solve for x
    x = 60,687,407,902.31/351,722.66
  6. Step 6: Final answer
    x = 172,543.36

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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.