Home / 161,831.38-242,824.11-73,112.02

Finding the Fourth Proportional to 161,831.38, 242,824.11 and 73,112.02

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Solution

The fourth proportional to 161,831.38, 242,824.11 and 73,112.02 is: 109,702.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,831.38 : 242,824.11 = 73,112.02 : x
  2. Step 2: Convert to fraction form
    161,831.38/242,824.11 = 73,112.02/x
  3. Step 3: Cross multiply
    161,831.38x = 242,824.11 × 73,112.02
  4. Step 4: Simplify right side
    161,831.38x = 17,753,361,186.80
  5. Step 5: Solve for x
    x = 17,753,361,186.80/161,831.38
  6. Step 6: Final answer
    x = 109,702.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.