Home / 131,575.55-197,365.17-42,829.52

Finding the Fourth Proportional to 131,575.55, 197,365.17 and 42,829.52

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Solution

The fourth proportional to 131,575.55, 197,365.17 and 42,829.52 is: 64,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,575.55 : 197,365.17 = 42,829.52 : x
  2. Step 2: Convert to fraction form
    131,575.55/197,365.17 = 42,829.52/x
  3. Step 3: Cross multiply
    131,575.55x = 197,365.17 × 42,829.52
  4. Step 4: Simplify right side
    131,575.55x = 8,453,055,495.82
  5. Step 5: Solve for x
    x = 8,453,055,495.82/131,575.55
  6. Step 6: Final answer
    x = 64,244.88

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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.