Home / 126,294.70-189,451.38-36,333.76

Finding the Fourth Proportional to 126,294.70, 189,451.38 and 36,333.76

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Solution

The fourth proportional to 126,294.70, 189,451.38 and 36,333.76 is: 54,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,294.70 : 189,451.38 = 36,333.76 : x
  2. Step 2: Convert to fraction form
    126,294.70/189,451.38 = 36,333.76/x
  3. Step 3: Cross multiply
    126,294.70x = 189,451.38 × 36,333.76
  4. Step 4: Simplify right side
    126,294.70x = 6,883,480,972.59
  5. Step 5: Solve for x
    x = 6,883,480,972.59/126,294.70
  6. Step 6: Final answer
    x = 54,503.32

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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.