Home / 148,447.68-222,748.08-69,569.92

Finding the Fourth Proportional to 148,447.68, 222,748.08 and 69,569.92

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Solution

The fourth proportional to 148,447.68, 222,748.08 and 69,569.92 is: 104,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,447.68 : 222,748.08 = 69,569.92 : x
  2. Step 2: Convert to fraction form
    148,447.68/222,748.08 = 69,569.92/x
  3. Step 3: Cross multiply
    148,447.68x = 222,748.08 × 69,569.92
  4. Step 4: Simplify right side
    148,447.68x = 15,496,566,105.75
  5. Step 5: Solve for x
    x = 15,496,566,105.75/148,447.68
  6. Step 6: Final answer
    x = 104,390.76

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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.