Home / 185,082.72-255,414.26-100,199.82

Finding the Fourth Proportional to 185,082.72, 255,414.26 and 100,199.82

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Solution

The fourth proportional to 185,082.72, 255,414.26 and 100,199.82 is: 138,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,082.72 : 255,414.26 = 100,199.82 : x
  2. Step 2: Convert to fraction form
    185,082.72/255,414.26 = 100,199.82/x
  3. Step 3: Cross multiply
    185,082.72x = 255,414.26 × 100,199.82
  4. Step 4: Simplify right side
    185,082.72x = 25,592,462,877.43
  5. Step 5: Solve for x
    x = 25,592,462,877.43/185,082.72
  6. Step 6: Final answer
    x = 138,275.81

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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.