Home / 129,272.04-193,902.42-40,523.52

Finding the Fourth Proportional to 129,272.04, 193,902.42 and 40,523.52

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Solution

The fourth proportional to 129,272.04, 193,902.42 and 40,523.52 is: 60,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,272.04 : 193,902.42 = 40,523.52 : x
  2. Step 2: Convert to fraction form
    129,272.04/193,902.42 = 40,523.52/x
  3. Step 3: Cross multiply
    129,272.04x = 193,902.42 × 40,523.52
  4. Step 4: Simplify right side
    129,272.04x = 7,857,608,594.92
  5. Step 5: Solve for x
    x = 7,857,608,594.92/129,272.04
  6. Step 6: Final answer
    x = 60,783.51

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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.