Home / 125,008.92-187,527.96-50,155.20

Finding the Fourth Proportional to 125,008.92, 187,527.96 and 50,155.20

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Solution

The fourth proportional to 125,008.92, 187,527.96 and 50,155.20 is: 75,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,008.92 : 187,527.96 = 50,155.20 : x
  2. Step 2: Convert to fraction form
    125,008.92/187,527.96 = 50,155.20/x
  3. Step 3: Cross multiply
    125,008.92x = 187,527.96 × 50,155.20
  4. Step 4: Simplify right side
    125,008.92x = 9,405,502,339.39
  5. Step 5: Solve for x
    x = 9,405,502,339.39/125,008.92
  6. Step 6: Final answer
    x = 75,238.65

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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.