Home / 129,095.28-193,560.04-50,125.36

Finding the Fourth Proportional to 129,095.28, 193,560.04 and 50,125.36

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Solution

The fourth proportional to 129,095.28, 193,560.04 and 50,125.36 is: 75,155.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,095.28 : 193,560.04 = 50,125.36 : x
  2. Step 2: Convert to fraction form
    129,095.28/193,560.04 = 50,125.36/x
  3. Step 3: Cross multiply
    129,095.28x = 193,560.04 × 50,125.36
  4. Step 4: Simplify right side
    129,095.28x = 9,702,266,686.61
  5. Step 5: Solve for x
    x = 9,702,266,686.61/129,095.28
  6. Step 6: Final answer
    x = 75,155.86

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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.