Home / 224,439.78-309,733.32-123,844.26

Finding the Fourth Proportional to 224,439.78, 309,733.32 and 123,844.26

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Solution

The fourth proportional to 224,439.78, 309,733.32 and 123,844.26 is: 170,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,439.78 : 309,733.32 = 123,844.26 : x
  2. Step 2: Convert to fraction form
    224,439.78/309,733.32 = 123,844.26/x
  3. Step 3: Cross multiply
    224,439.78x = 309,733.32 × 123,844.26
  4. Step 4: Simplify right side
    224,439.78x = 38,358,693,812.74
  5. Step 5: Solve for x
    x = 38,358,693,812.74/224,439.78
  6. Step 6: Final answer
    x = 170,908.62

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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.