Home / 198,359.11-297,557.30-65,239.66

Finding the Fourth Proportional to 198,359.11, 297,557.30 and 65,239.66

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Solution

The fourth proportional to 198,359.11, 297,557.30 and 65,239.66 is: 97,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,359.11 : 297,557.30 = 65,239.66 : x
  2. Step 2: Convert to fraction form
    198,359.11/297,557.30 = 65,239.66/x
  3. Step 3: Cross multiply
    198,359.11x = 297,557.30 × 65,239.66
  4. Step 4: Simplify right side
    198,359.11x = 19,412,537,082.52
  5. Step 5: Solve for x
    x = 19,412,537,082.52/198,359.11
  6. Step 6: Final answer
    x = 97,865.62

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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.