Home / 196,198.20-293,714.10-129,713.40

Finding the Fourth Proportional to 196,198.20, 293,714.10 and 129,713.40

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Solution

The fourth proportional to 196,198.20, 293,714.10 and 129,713.40 is: 194,184.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,198.20 : 293,714.10 = 129,713.40 : x
  2. Step 2: Convert to fraction form
    196,198.20/293,714.10 = 129,713.40/x
  3. Step 3: Cross multiply
    196,198.20x = 293,714.10 × 129,713.40
  4. Step 4: Simplify right side
    196,198.20x = 38,098,654,538.94
  5. Step 5: Solve for x
    x = 38,098,654,538.94/196,198.20
  6. Step 6: Final answer
    x = 194,184.53

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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.