Home / 109,327.20-150,878.88-82,422.24

Finding the Fourth Proportional to 109,327.20, 150,878.88 and 82,422.24

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Solution

The fourth proportional to 109,327.20, 150,878.88 and 82,422.24 is: 113,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,327.20 : 150,878.88 = 82,422.24 : x
  2. Step 2: Convert to fraction form
    109,327.20/150,878.88 = 82,422.24/x
  3. Step 3: Cross multiply
    109,327.20x = 150,878.88 × 82,422.24
  4. Step 4: Simplify right side
    109,327.20x = 12,435,775,258.29
  5. Step 5: Solve for x
    x = 12,435,775,258.29/109,327.20
  6. Step 6: Final answer
    x = 113,748.23

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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.