Home / 115,188.96-172,792.20-39,263.92

Finding the Fourth Proportional to 115,188.96, 172,792.20 and 39,263.92

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Solution

The fourth proportional to 115,188.96, 172,792.20 and 39,263.92 is: 58,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,188.96 : 172,792.20 = 39,263.92 : x
  2. Step 2: Convert to fraction form
    115,188.96/172,792.20 = 39,263.92/x
  3. Step 3: Cross multiply
    115,188.96x = 172,792.20 × 39,263.92
  4. Step 4: Simplify right side
    115,188.96x = 6,784,499,117.42
  5. Step 5: Solve for x
    x = 6,784,499,117.42/115,188.96
  6. Step 6: Final answer
    x = 58,898.87

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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.