Home / 129,416.30-194,233.80-50,587.10

Finding the Fourth Proportional to 129,416.30, 194,233.80 and 50,587.10

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Solution

The fourth proportional to 129,416.30, 194,233.80 and 50,587.10 is: 75,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,416.30 : 194,233.80 = 50,587.10 : x
  2. Step 2: Convert to fraction form
    129,416.30/194,233.80 = 50,587.10/x
  3. Step 3: Cross multiply
    129,416.30x = 194,233.80 × 50,587.10
  4. Step 4: Simplify right side
    129,416.30x = 9,825,724,663.98
  5. Step 5: Solve for x
    x = 9,825,724,663.98/129,416.30
  6. Step 6: Final answer
    x = 75,923.39

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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.