Home / 92,218.20-138,327.30-83,470.20

Finding the Fourth Proportional to 92,218.20, 138,327.30 and 83,470.20

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Solution

The fourth proportional to 92,218.20, 138,327.30 and 83,470.20 is: 125,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,218.20 : 138,327.30 = 83,470.20 : x
  2. Step 2: Convert to fraction form
    92,218.20/138,327.30 = 83,470.20/x
  3. Step 3: Cross multiply
    92,218.20x = 138,327.30 × 83,470.20
  4. Step 4: Simplify right side
    92,218.20x = 11,546,207,396.46
  5. Step 5: Solve for x
    x = 11,546,207,396.46/92,218.20
  6. Step 6: Final answer
    x = 125,205.30

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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.