Home / 129,632.80-194,296.34-58,472.14

Finding the Fourth Proportional to 129,632.80, 194,296.34 and 58,472.14

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Solution

The fourth proportional to 129,632.80, 194,296.34 and 58,472.14 is: 87,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,632.80 : 194,296.34 = 58,472.14 : x
  2. Step 2: Convert to fraction form
    129,632.80/194,296.34 = 58,472.14/x
  3. Step 3: Cross multiply
    129,632.80x = 194,296.34 × 58,472.14
  4. Step 4: Simplify right side
    129,632.80x = 11,360,922,793.97
  5. Step 5: Solve for x
    x = 11,360,922,793.97/129,632.80
  6. Step 6: Final answer
    x = 87,639.26

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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.