Home / 125,515.32-188,309.42-50,596.80

Finding the Fourth Proportional to 125,515.32, 188,309.42 and 50,596.80

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Solution

The fourth proportional to 125,515.32, 188,309.42 and 50,596.80 is: 75,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,515.32 : 188,309.42 = 50,596.80 : x
  2. Step 2: Convert to fraction form
    125,515.32/188,309.42 = 50,596.80/x
  3. Step 3: Cross multiply
    125,515.32x = 188,309.42 × 50,596.80
  4. Step 4: Simplify right side
    125,515.32x = 9,527,854,061.86
  5. Step 5: Solve for x
    x = 9,527,854,061.86/125,515.32
  6. Step 6: Final answer
    x = 75,909.89

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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.