Home / 131,575.05-197,364.42-42,829.02

Finding the Fourth Proportional to 131,575.05, 197,364.42 and 42,829.02

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Solution

The fourth proportional to 131,575.05, 197,364.42 and 42,829.02 is: 64,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,575.05 : 197,364.42 = 42,829.02 : x
  2. Step 2: Convert to fraction form
    131,575.05/197,364.42 = 42,829.02/x
  3. Step 3: Cross multiply
    131,575.05x = 197,364.42 × 42,829.02
  4. Step 4: Simplify right side
    131,575.05x = 8,452,924,691.47
  5. Step 5: Solve for x
    x = 8,452,924,691.47/131,575.05
  6. Step 6: Final answer
    x = 64,244.13

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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.