Home / 88,234.20-132,351.30-82,402.20

Finding the Fourth Proportional to 88,234.20, 132,351.30 and 82,402.20

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Solution

The fourth proportional to 88,234.20, 132,351.30 and 82,402.20 is: 123,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,234.20 : 132,351.30 = 82,402.20 : x
  2. Step 2: Convert to fraction form
    88,234.20/132,351.30 = 82,402.20/x
  3. Step 3: Cross multiply
    88,234.20x = 132,351.30 × 82,402.20
  4. Step 4: Simplify right side
    88,234.20x = 10,906,038,292.86
  5. Step 5: Solve for x
    x = 10,906,038,292.86/88,234.20
  6. Step 6: Final answer
    x = 123,603.30

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1.5x scale

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.