Home / 162,344.20-243,516.30-73,770.70

Finding the Fourth Proportional to 162,344.20, 243,516.30 and 73,770.70

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Solution

The fourth proportional to 162,344.20, 243,516.30 and 73,770.70 is: 110,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,344.20 : 243,516.30 = 73,770.70 : x
  2. Step 2: Convert to fraction form
    162,344.20/243,516.30 = 73,770.70/x
  3. Step 3: Cross multiply
    162,344.20x = 243,516.30 × 73,770.70
  4. Step 4: Simplify right side
    162,344.20x = 17,964,367,912.41
  5. Step 5: Solve for x
    x = 17,964,367,912.41/162,344.20
  6. Step 6: Final answer
    x = 110,656.05

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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.