Home / 149,282.50-206,016.51-88,031.17

Finding the Fourth Proportional to 149,282.50, 206,016.51 and 88,031.17

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Solution

The fourth proportional to 149,282.50, 206,016.51 and 88,031.17 is: 121,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,282.50 : 206,016.51 = 88,031.17 : x
  2. Step 2: Convert to fraction form
    149,282.50/206,016.51 = 88,031.17/x
  3. Step 3: Cross multiply
    149,282.50x = 206,016.51 × 88,031.17
  4. Step 4: Simplify right side
    149,282.50x = 18,135,874,414.62
  5. Step 5: Solve for x
    x = 18,135,874,414.62/149,282.50
  6. Step 6: Final answer
    x = 121,486.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.