Home / 204,729.28-282,397.12-140,956.32

Finding the Fourth Proportional to 204,729.28, 282,397.12 and 140,956.32

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Solution

The fourth proportional to 204,729.28, 282,397.12 and 140,956.32 is: 194,430.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,729.28 : 282,397.12 = 140,956.32 : x
  2. Step 2: Convert to fraction form
    204,729.28/282,397.12 = 140,956.32/x
  3. Step 3: Cross multiply
    204,729.28x = 282,397.12 × 140,956.32
  4. Step 4: Simplify right side
    204,729.28x = 39,805,658,813.80
  5. Step 5: Solve for x
    x = 39,805,658,813.80/204,729.28
  6. Step 6: Final answer
    x = 194,430.71

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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.