Home / 126,673.76-189,982.56-56,508.32

Finding the Fourth Proportional to 126,673.76, 189,982.56 and 56,508.32

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Solution

The fourth proportional to 126,673.76, 189,982.56 and 56,508.32 is: 84,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,673.76 : 189,982.56 = 56,508.32 : x
  2. Step 2: Convert to fraction form
    126,673.76/189,982.56 = 56,508.32/x
  3. Step 3: Cross multiply
    126,673.76x = 189,982.56 × 56,508.32
  4. Step 4: Simplify right side
    126,673.76x = 10,735,595,294.90
  5. Step 5: Solve for x
    x = 10,735,595,294.90/126,673.76
  6. Step 6: Final answer
    x = 84,749.95

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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.