Home / 206,927.28-310,131.18-88,459.38

Finding the Fourth Proportional to 206,927.28, 310,131.18 and 88,459.38

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Solution

The fourth proportional to 206,927.28, 310,131.18 and 88,459.38 is: 132,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,927.28 : 310,131.18 = 88,459.38 : x
  2. Step 2: Convert to fraction form
    206,927.28/310,131.18 = 88,459.38/x
  3. Step 3: Cross multiply
    206,927.28x = 310,131.18 × 88,459.38
  4. Step 4: Simplify right side
    206,927.28x = 27,434,011,901.47
  5. Step 5: Solve for x
    x = 27,434,011,901.47/206,927.28
  6. Step 6: Final answer
    x = 132,578.03

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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.