Home / 224,200.28-309,398.78-123,601.88

Finding the Fourth Proportional to 224,200.28, 309,398.78 and 123,601.88

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Solution

The fourth proportional to 224,200.28, 309,398.78 and 123,601.88 is: 170,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,200.28 : 309,398.78 = 123,601.88 : x
  2. Step 2: Convert to fraction form
    224,200.28/309,398.78 = 123,601.88/x
  3. Step 3: Cross multiply
    224,200.28x = 309,398.78 × 123,601.88
  4. Step 4: Simplify right side
    224,200.28x = 38,242,270,877.71
  5. Step 5: Solve for x
    x = 38,242,270,877.71/224,200.28
  6. Step 6: Final answer
    x = 170,571.91

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1.5x scale

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.