Home / 185,442.28-255,943.12-108,961.36

Finding the Fourth Proportional to 185,442.28, 255,943.12 and 108,961.36

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Solution

The fourth proportional to 185,442.28, 255,943.12 and 108,961.36 is: 150,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,442.28 : 255,943.12 = 108,961.36 : x
  2. Step 2: Convert to fraction form
    185,442.28/255,943.12 = 108,961.36/x
  3. Step 3: Cross multiply
    185,442.28x = 255,943.12 × 108,961.36
  4. Step 4: Simplify right side
    185,442.28x = 27,887,910,437.84
  5. Step 5: Solve for x
    x = 27,887,910,437.84/185,442.28
  6. Step 6: Final answer
    x = 150,385.93

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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.