Home / 114,757.28-158,320.80-84,614.12

Finding the Fourth Proportional to 114,757.28, 158,320.80 and 84,614.12

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Solution

The fourth proportional to 114,757.28, 158,320.80 and 84,614.12 is: 116,734.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,757.28 : 158,320.80 = 84,614.12 : x
  2. Step 2: Convert to fraction form
    114,757.28/158,320.80 = 84,614.12/x
  3. Step 3: Cross multiply
    114,757.28x = 158,320.80 × 84,614.12
  4. Step 4: Simplify right side
    114,757.28x = 13,396,175,169.70
  5. Step 5: Solve for x
    x = 13,396,175,169.70/114,757.28
  6. Step 6: Final answer
    x = 116,734.86

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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.