Home / 131,926.45-182,049.51-84,174.52

Finding the Fourth Proportional to 131,926.45, 182,049.51 and 84,174.52

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Solution

The fourth proportional to 131,926.45, 182,049.51 and 84,174.52 is: 116,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,926.45 : 182,049.51 = 84,174.52 : x
  2. Step 2: Convert to fraction form
    131,926.45/182,049.51 = 84,174.52/x
  3. Step 3: Cross multiply
    131,926.45x = 182,049.51 × 84,174.52
  4. Step 4: Simplify right side
    131,926.45x = 15,323,930,120.49
  5. Step 5: Solve for x
    x = 15,323,930,120.49/131,926.45
  6. Step 6: Final answer
    x = 116,155.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.