Home / 131,045.65-196,296.31-83,425.24

Finding the Fourth Proportional to 131,045.65, 196,296.31 and 83,425.24

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Solution

The fourth proportional to 131,045.65, 196,296.31 and 83,425.24 is: 124,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,045.65 : 196,296.31 = 83,425.24 : x
  2. Step 2: Convert to fraction form
    131,045.65/196,296.31 = 83,425.24/x
  3. Step 3: Cross multiply
    131,045.65x = 196,296.31 × 83,425.24
  4. Step 4: Simplify right side
    131,045.65x = 16,376,067,122.52
  5. Step 5: Solve for x
    x = 16,376,067,122.52/131,045.65
  6. Step 6: Final answer
    x = 124,964.60

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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.