Home / 127,970.64-176,564.04-82,650.56

Finding the Fourth Proportional to 127,970.64, 176,564.04 and 82,650.56

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Solution

The fourth proportional to 127,970.64, 176,564.04 and 82,650.56 is: 114,034.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,970.64 : 176,564.04 = 82,650.56 : x
  2. Step 2: Convert to fraction form
    127,970.64/176,564.04 = 82,650.56/x
  3. Step 3: Cross multiply
    127,970.64x = 176,564.04 × 82,650.56
  4. Step 4: Simplify right side
    127,970.64x = 14,593,116,781.86
  5. Step 5: Solve for x
    x = 14,593,116,781.86/127,970.64
  6. Step 6: Final answer
    x = 114,034.88

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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.