Home / 118,996.02-164,215.76-65,279.66

Finding the Fourth Proportional to 118,996.02, 164,215.76 and 65,279.66

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Solution

The fourth proportional to 118,996.02, 164,215.76 and 65,279.66 is: 90,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,996.02 : 164,215.76 = 65,279.66 : x
  2. Step 2: Convert to fraction form
    118,996.02/164,215.76 = 65,279.66/x
  3. Step 3: Cross multiply
    118,996.02x = 164,215.76 × 65,279.66
  4. Step 4: Simplify right side
    118,996.02x = 10,719,947,831.96
  5. Step 5: Solve for x
    x = 10,719,947,831.96/118,996.02
  6. Step 6: Final answer
    x = 90,086.61

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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.