Home / 126,552.97-189,764.74-42,282.73

Finding the Fourth Proportional to 126,552.97, 189,764.74 and 42,282.73

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Solution

The fourth proportional to 126,552.97, 189,764.74 and 42,282.73 is: 63,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,552.97 : 189,764.74 = 42,282.73 : x
  2. Step 2: Convert to fraction form
    126,552.97/189,764.74 = 42,282.73/x
  3. Step 3: Cross multiply
    126,552.97x = 189,764.74 × 42,282.73
  4. Step 4: Simplify right side
    126,552.97x = 8,023,771,264.94
  5. Step 5: Solve for x
    x = 8,023,771,264.94/126,552.97
  6. Step 6: Final answer
    x = 63,402.47

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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.