Home / 144,835.28-199,869.27-80,304.20

Finding the Fourth Proportional to 144,835.28, 199,869.27 and 80,304.20

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Solution

The fourth proportional to 144,835.28, 199,869.27 and 80,304.20 is: 110,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,835.28 : 199,869.27 = 80,304.20 : x
  2. Step 2: Convert to fraction form
    144,835.28/199,869.27 = 80,304.20/x
  3. Step 3: Cross multiply
    144,835.28x = 199,869.27 × 80,304.20
  4. Step 4: Simplify right side
    144,835.28x = 16,050,341,831.93
  5. Step 5: Solve for x
    x = 16,050,341,831.93/144,835.28
  6. Step 6: Final answer
    x = 110,817.90

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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.