Home / 115,132.50-158,882.85-67,383.54

Finding the Fourth Proportional to 115,132.50, 158,882.85 and 67,383.54

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Solution

The fourth proportional to 115,132.50, 158,882.85 and 67,383.54 is: 92,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,132.50 : 158,882.85 = 67,383.54 : x
  2. Step 2: Convert to fraction form
    115,132.50/158,882.85 = 67,383.54/x
  3. Step 3: Cross multiply
    115,132.50x = 158,882.85 × 67,383.54
  4. Step 4: Simplify right side
    115,132.50x = 10,706,088,878.29
  5. Step 5: Solve for x
    x = 10,706,088,878.29/115,132.50
  6. Step 6: Final answer
    x = 92,989.29

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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.