Home / 205,507.28-283,475.40-141,732.56

Finding the Fourth Proportional to 205,507.28, 283,475.40 and 141,732.56

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Solution

The fourth proportional to 205,507.28, 283,475.40 and 141,732.56 is: 195,504.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,507.28 : 283,475.40 = 141,732.56 : x
  2. Step 2: Convert to fraction form
    205,507.28/283,475.40 = 141,732.56/x
  3. Step 3: Cross multiply
    205,507.28x = 283,475.40 × 141,732.56
  4. Step 4: Simplify right side
    205,507.28x = 40,177,694,139.02
  5. Step 5: Solve for x
    x = 40,177,694,139.02/205,507.28
  6. Step 6: Final answer
    x = 195,504.97

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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.