Home / 354,778.62-532,238.03-130,141.14

Finding the Fourth Proportional to 354,778.62, 532,238.03 and 130,141.14

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Solution

The fourth proportional to 354,778.62, 532,238.03 and 130,141.14 is: 195,237.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,778.62 : 532,238.03 = 130,141.14 : x
  2. Step 2: Convert to fraction form
    354,778.62/532,238.03 = 130,141.14/x
  3. Step 3: Cross multiply
    354,778.62x = 532,238.03 × 130,141.14
  4. Step 4: Simplify right side
    354,778.62x = 69,266,063,975.55
  5. Step 5: Solve for x
    x = 69,266,063,975.55/354,778.62
  6. Step 6: Final answer
    x = 195,237.42

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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.