Home / 129,552.81-194,439.98-50,722.39

Finding the Fourth Proportional to 129,552.81, 194,439.98 and 50,722.39

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Solution

The fourth proportional to 129,552.81, 194,439.98 and 50,722.39 is: 76,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,552.81 : 194,439.98 = 50,722.39 : x
  2. Step 2: Convert to fraction form
    129,552.81/194,439.98 = 50,722.39/x
  3. Step 3: Cross multiply
    129,552.81x = 194,439.98 × 50,722.39
  4. Step 4: Simplify right side
    129,552.81x = 9,862,460,497.15
  5. Step 5: Solve for x
    x = 9,862,460,497.15/129,552.81
  6. Step 6: Final answer
    x = 76,126.95

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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.