Home / 129,292.97-193,901.56-50,388.35

Finding the Fourth Proportional to 129,292.97, 193,901.56 and 50,388.35

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Solution

The fourth proportional to 129,292.97, 193,901.56 and 50,388.35 is: 75,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,292.97 : 193,901.56 = 50,388.35 : x
  2. Step 2: Convert to fraction form
    129,292.97/193,901.56 = 50,388.35/x
  3. Step 3: Cross multiply
    129,292.97x = 193,901.56 × 50,388.35
  4. Step 4: Simplify right side
    129,292.97x = 9,770,379,670.83
  5. Step 5: Solve for x
    x = 9,770,379,670.83/129,292.97
  6. Step 6: Final answer
    x = 75,567.76

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1.5x scale

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.