Home / 206,588.32-310,013.56-88,260.55

Finding the Fourth Proportional to 206,588.32, 310,013.56 and 88,260.55

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Solution

The fourth proportional to 206,588.32, 310,013.56 and 88,260.55 is: 132,446.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,588.32 : 310,013.56 = 88,260.55 : x
  2. Step 2: Convert to fraction form
    206,588.32/310,013.56 = 88,260.55/x
  3. Step 3: Cross multiply
    206,588.32x = 310,013.56 × 88,260.55
  4. Step 4: Simplify right side
    206,588.32x = 27,361,965,762.99
  5. Step 5: Solve for x
    x = 27,361,965,762.99/206,588.32
  6. Step 6: Final answer
    x = 132,446.82

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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.