Home / 129,156.85-193,656.03-50,178.88

Finding the Fourth Proportional to 129,156.85, 193,656.03 and 50,178.88

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Solution

The fourth proportional to 129,156.85, 193,656.03 and 50,178.88 is: 75,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,156.85 : 193,656.03 = 50,178.88 : x
  2. Step 2: Convert to fraction form
    129,156.85/193,656.03 = 50,178.88/x
  3. Step 3: Cross multiply
    129,156.85x = 193,656.03 × 50,178.88
  4. Step 4: Simplify right side
    129,156.85x = 9,717,442,690.65
  5. Step 5: Solve for x
    x = 9,717,442,690.65/129,156.85
  6. Step 6: Final answer
    x = 75,237.53

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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.