Home / 319,782.31-479,589.90-95,082.24

Finding the Fourth Proportional to 319,782.31, 479,589.90 and 95,082.24

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Solution

The fourth proportional to 319,782.31, 479,589.90 and 95,082.24 is: 142,598.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,782.31 : 479,589.90 = 95,082.24 : x
  2. Step 2: Convert to fraction form
    319,782.31/479,589.90 = 95,082.24/x
  3. Step 3: Cross multiply
    319,782.31x = 479,589.90 × 95,082.24
  4. Step 4: Simplify right side
    319,782.31x = 45,600,481,973.38
  5. Step 5: Solve for x
    x = 45,600,481,973.38/319,782.31
  6. Step 6: Final answer
    x = 142,598.51

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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.