Home / 206,171.40-284,532.96-121,304.88

Finding the Fourth Proportional to 206,171.40, 284,532.96 and 121,304.88

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Solution

The fourth proportional to 206,171.40, 284,532.96 and 121,304.88 is: 167,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,171.40 : 284,532.96 = 121,304.88 : x
  2. Step 2: Convert to fraction form
    206,171.40/284,532.96 = 121,304.88/x
  3. Step 3: Cross multiply
    206,171.40x = 284,532.96 × 121,304.88
  4. Step 4: Simplify right side
    206,171.40x = 34,515,236,568.84
  5. Step 5: Solve for x
    x = 34,515,236,568.84/206,171.40
  6. Step 6: Final answer
    x = 167,410.40

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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.