Home / 148,760.64-223,121.28-55,253.76

Finding the Fourth Proportional to 148,760.64, 223,121.28 and 55,253.76

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Solution

The fourth proportional to 148,760.64, 223,121.28 and 55,253.76 is: 82,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,760.64 : 223,121.28 = 55,253.76 : x
  2. Step 2: Convert to fraction form
    148,760.64/223,121.28 = 55,253.76/x
  3. Step 3: Cross multiply
    148,760.64x = 223,121.28 × 55,253.76
  4. Step 4: Simplify right side
    148,760.64x = 12,328,289,656.01
  5. Step 5: Solve for x
    x = 12,328,289,656.01/148,760.64
  6. Step 6: Final answer
    x = 82,873.33

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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.