Home / 121,524.60-182,286.90-110,638.20

Finding the Fourth Proportional to 121,524.60, 182,286.90 and 110,638.20

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Solution

The fourth proportional to 121,524.60, 182,286.90 and 110,638.20 is: 165,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,524.60 : 182,286.90 = 110,638.20 : x
  2. Step 2: Convert to fraction form
    121,524.60/182,286.90 = 110,638.20/x
  3. Step 3: Cross multiply
    121,524.60x = 182,286.90 × 110,638.20
  4. Step 4: Simplify right side
    121,524.60x = 20,167,894,499.58
  5. Step 5: Solve for x
    x = 20,167,894,499.58/121,524.60
  6. Step 6: Final answer
    x = 165,957.30

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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.