Home / 393,932.12-591,082.70-194,143.52

Finding the Fourth Proportional to 393,932.12, 591,082.70 and 194,143.52

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Solution

The fourth proportional to 393,932.12, 591,082.70 and 194,143.52 is: 291,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,932.12 : 591,082.70 = 194,143.52 : x
  2. Step 2: Convert to fraction form
    393,932.12/591,082.70 = 194,143.52/x
  3. Step 3: Cross multiply
    393,932.12x = 591,082.70 × 194,143.52
  4. Step 4: Simplify right side
    393,932.12x = 114,754,877,952.17
  5. Step 5: Solve for x
    x = 114,754,877,952.17/393,932.12
  6. Step 6: Final answer
    x = 291,306.22

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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.