Home / 127,943.64-176,514.66-74,198.52

Finding the Fourth Proportional to 127,943.64, 176,514.66 and 74,198.52

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Solution

The fourth proportional to 127,943.64, 176,514.66 and 74,198.52 is: 102,366.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,943.64 : 176,514.66 = 74,198.52 : x
  2. Step 2: Convert to fraction form
    127,943.64/176,514.66 = 74,198.52/x
  3. Step 3: Cross multiply
    127,943.64x = 176,514.66 × 74,198.52
  4. Step 4: Simplify right side
    127,943.64x = 13,097,126,530.30
  5. Step 5: Solve for x
    x = 13,097,126,530.30/127,943.64
  6. Step 6: Final answer
    x = 102,366.37

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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.