Home / 148,474.60-222,711.90-69,742.60

Finding the Fourth Proportional to 148,474.60, 222,711.90 and 69,742.60

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Solution

The fourth proportional to 148,474.60, 222,711.90 and 69,742.60 is: 104,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,474.60 : 222,711.90 = 69,742.60 : x
  2. Step 2: Convert to fraction form
    148,474.60/222,711.90 = 69,742.60/x
  3. Step 3: Cross multiply
    148,474.60x = 222,711.90 × 69,742.60
  4. Step 4: Simplify right side
    148,474.60x = 15,532,506,956.94
  5. Step 5: Solve for x
    x = 15,532,506,956.94/148,474.60
  6. Step 6: Final answer
    x = 104,613.90

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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.