Home / 224,515.52-309,831.84-123,913.44

Finding the Fourth Proportional to 224,515.52, 309,831.84 and 123,913.44

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Solution

The fourth proportional to 224,515.52, 309,831.84 and 123,913.44 is: 171,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,515.52 : 309,831.84 = 123,913.44 : x
  2. Step 2: Convert to fraction form
    224,515.52/309,831.84 = 123,913.44/x
  3. Step 3: Cross multiply
    224,515.52x = 309,831.84 × 123,913.44
  4. Step 4: Simplify right side
    224,515.52x = 38,392,329,115.93
  5. Step 5: Solve for x
    x = 38,392,329,115.93/224,515.52
  6. Step 6: Final answer
    x = 171,000.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.