Home / 198,001.70-296,743.35-79,576.10

Finding the Fourth Proportional to 198,001.70, 296,743.35 and 79,576.10

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Solution

The fourth proportional to 198,001.70, 296,743.35 and 79,576.10 is: 119,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,001.70 : 296,743.35 = 79,576.10 : x
  2. Step 2: Convert to fraction form
    198,001.70/296,743.35 = 79,576.10/x
  3. Step 3: Cross multiply
    198,001.70x = 296,743.35 × 79,576.10
  4. Step 4: Simplify right side
    198,001.70x = 23,613,678,493.94
  5. Step 5: Solve for x
    x = 23,613,678,493.94/198,001.70
  6. Step 6: Final answer
    x = 119,259.98

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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.