Home / 351,823.86-527,800.68-115,179.66

Finding the Fourth Proportional to 351,823.86, 527,800.68 and 115,179.66

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Solution

The fourth proportional to 351,823.86, 527,800.68 and 115,179.66 is: 172,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,823.86 : 527,800.68 = 115,179.66 : x
  2. Step 2: Convert to fraction form
    351,823.86/527,800.68 = 115,179.66/x
  3. Step 3: Cross multiply
    351,823.86x = 527,800.68 × 115,179.66
  4. Step 4: Simplify right side
    351,823.86x = 60,791,902,870.17
  5. Step 5: Solve for x
    x = 60,791,902,870.17/351,823.86
  6. Step 6: Final answer
    x = 172,790.73

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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.