Home / 197,339.20-296,008.80-86,531.20

Finding the Fourth Proportional to 197,339.20, 296,008.80 and 86,531.20

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Solution

The fourth proportional to 197,339.20, 296,008.80 and 86,531.20 is: 129,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,339.20 : 296,008.80 = 86,531.20 : x
  2. Step 2: Convert to fraction form
    197,339.20/296,008.80 = 86,531.20/x
  3. Step 3: Cross multiply
    197,339.20x = 296,008.80 × 86,531.20
  4. Step 4: Simplify right side
    197,339.20x = 25,613,996,674.56
  5. Step 5: Solve for x
    x = 25,613,996,674.56/197,339.20
  6. Step 6: Final answer
    x = 129,796.80

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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.