Home / 351,609.12-527,428.28-102,291.12

Finding the Fourth Proportional to 351,609.12, 527,428.28 and 102,291.12

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Solution

The fourth proportional to 351,609.12, 527,428.28 and 102,291.12 is: 153,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,609.12 : 527,428.28 = 102,291.12 : x
  2. Step 2: Convert to fraction form
    351,609.12/527,428.28 = 102,291.12/x
  3. Step 3: Cross multiply
    351,609.12x = 527,428.28 × 102,291.12
  4. Step 4: Simplify right side
    351,609.12x = 53,951,229,480.87
  5. Step 5: Solve for x
    x = 53,951,229,480.87/351,609.12
  6. Step 6: Final answer
    x = 153,440.93

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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.