Home / 129,099.28-193,566.04-50,129.36

Finding the Fourth Proportional to 129,099.28, 193,566.04 and 50,129.36

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Solution

The fourth proportional to 129,099.28, 193,566.04 and 50,129.36 is: 75,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,099.28 : 193,566.04 = 50,129.36 : x
  2. Step 2: Convert to fraction form
    129,099.28/193,566.04 = 50,129.36/x
  3. Step 3: Cross multiply
    129,099.28x = 193,566.04 × 50,129.36
  4. Step 4: Simplify right side
    129,099.28x = 9,703,341,702.93
  5. Step 5: Solve for x
    x = 9,703,341,702.93/129,099.28
  6. Step 6: Final answer
    x = 75,161.86

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1.5x scale

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.