Home / 115,432.28-173,148.52-92,206.34

Finding the Fourth Proportional to 115,432.28, 173,148.52 and 92,206.34

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Solution

The fourth proportional to 115,432.28, 173,148.52 and 92,206.34 is: 138,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,432.28 : 173,148.52 = 92,206.34 : x
  2. Step 2: Convert to fraction form
    115,432.28/173,148.52 = 92,206.34/x
  3. Step 3: Cross multiply
    115,432.28x = 173,148.52 × 92,206.34
  4. Step 4: Simplify right side
    115,432.28x = 15,965,391,305.62
  5. Step 5: Solve for x
    x = 15,965,391,305.62/115,432.28
  6. Step 6: Final answer
    x = 138,309.59

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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.