Home / 148,147.20-222,291.54-69,249.96

Finding the Fourth Proportional to 148,147.20, 222,291.54 and 69,249.96

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Solution

The fourth proportional to 148,147.20, 222,291.54 and 69,249.96 is: 103,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,147.20 : 222,291.54 = 69,249.96 : x
  2. Step 2: Convert to fraction form
    148,147.20/222,291.54 = 69,249.96/x
  3. Step 3: Cross multiply
    148,147.20x = 222,291.54 × 69,249.96
  4. Step 4: Simplify right side
    148,147.20x = 15,393,680,253.34
  5. Step 5: Solve for x
    x = 15,393,680,253.34/148,147.20
  6. Step 6: Final answer
    x = 103,908.01

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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.