Home / 129,273.26-193,909.89-40,533.91

Finding the Fourth Proportional to 129,273.26, 193,909.89 and 40,533.91

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Solution

The fourth proportional to 129,273.26, 193,909.89 and 40,533.91 is: 60,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,273.26 : 193,909.89 = 40,533.91 : x
  2. Step 2: Convert to fraction form
    129,273.26/193,909.89 = 40,533.91/x
  3. Step 3: Cross multiply
    129,273.26x = 193,909.89 × 40,533.91
  4. Step 4: Simplify right side
    129,273.26x = 7,859,926,559.34
  5. Step 5: Solve for x
    x = 7,859,926,559.34/129,273.26
  6. Step 6: Final answer
    x = 60,800.87

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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.