Home / 127,963.29-176,645.97-82,663.35

Finding the Fourth Proportional to 127,963.29, 176,645.97 and 82,663.35

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Solution

The fourth proportional to 127,963.29, 176,645.97 and 82,663.35 is: 114,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,963.29 : 176,645.97 = 82,663.35 : x
  2. Step 2: Convert to fraction form
    127,963.29/176,645.97 = 82,663.35/x
  3. Step 3: Cross multiply
    127,963.29x = 176,645.97 × 82,663.35
  4. Step 4: Simplify right side
    127,963.29x = 14,602,147,644.20
  5. Step 5: Solve for x
    x = 14,602,147,644.20/127,963.29
  6. Step 6: Final answer
    x = 114,112.01

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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.