Home / 316,129.41-474,252.62-100,042.56

Finding the Fourth Proportional to 316,129.41, 474,252.62 and 100,042.56

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Solution

The fourth proportional to 316,129.41, 474,252.62 and 100,042.56 is: 150,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,129.41 : 474,252.62 = 100,042.56 : x
  2. Step 2: Convert to fraction form
    316,129.41/474,252.62 = 100,042.56/x
  3. Step 3: Cross multiply
    316,129.41x = 474,252.62 × 100,042.56
  4. Step 4: Simplify right side
    316,129.41x = 47,445,445,691.29
  5. Step 5: Solve for x
    x = 47,445,445,691.29/316,129.41
  6. Step 6: Final answer
    x = 150,082.35

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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.