Home / 197,335.20-296,002.80-86,527.20

Finding the Fourth Proportional to 197,335.20, 296,002.80 and 86,527.20

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Solution

The fourth proportional to 197,335.20, 296,002.80 and 86,527.20 is: 129,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,335.20 : 296,002.80 = 86,527.20 : x
  2. Step 2: Convert to fraction form
    197,335.20/296,002.80 = 86,527.20/x
  3. Step 3: Cross multiply
    197,335.20x = 296,002.80 × 86,527.20
  4. Step 4: Simplify right side
    197,335.20x = 25,612,293,476.16
  5. Step 5: Solve for x
    x = 25,612,293,476.16/197,335.20
  6. Step 6: Final answer
    x = 129,790.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.