Home / 144,831.60-217,247.40-132,001.20

Finding the Fourth Proportional to 144,831.60, 217,247.40 and 132,001.20

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Solution

The fourth proportional to 144,831.60, 217,247.40 and 132,001.20 is: 198,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,831.60 : 217,247.40 = 132,001.20 : x
  2. Step 2: Convert to fraction form
    144,831.60/217,247.40 = 132,001.20/x
  3. Step 3: Cross multiply
    144,831.60x = 217,247.40 × 132,001.20
  4. Step 4: Simplify right side
    144,831.60x = 28,676,917,496.88
  5. Step 5: Solve for x
    x = 28,676,917,496.88/144,831.60
  6. Step 6: Final answer
    x = 198,001.80

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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.