Home / 126,453.75-189,691.56-32,959.50

Finding the Fourth Proportional to 126,453.75, 189,691.56 and 32,959.50

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Solution

The fourth proportional to 126,453.75, 189,691.56 and 32,959.50 is: 49,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,453.75 : 189,691.56 = 32,959.50 : x
  2. Step 2: Convert to fraction form
    126,453.75/189,691.56 = 32,959.50/x
  3. Step 3: Cross multiply
    126,453.75x = 189,691.56 × 32,959.50
  4. Step 4: Simplify right side
    126,453.75x = 6,252,138,971.82
  5. Step 5: Solve for x
    x = 6,252,138,971.82/126,453.75
  6. Step 6: Final answer
    x = 49,442.10

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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.