Home / 144,470.47-199,358.43-80,795.97

Finding the Fourth Proportional to 144,470.47, 199,358.43 and 80,795.97

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Solution

The fourth proportional to 144,470.47, 199,358.43 and 80,795.97 is: 111,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,470.47 : 199,358.43 = 80,795.97 : x
  2. Step 2: Convert to fraction form
    144,470.47/199,358.43 = 80,795.97/x
  3. Step 3: Cross multiply
    144,470.47x = 199,358.43 × 80,795.97
  4. Step 4: Simplify right side
    144,470.47x = 16,107,357,729.53
  5. Step 5: Solve for x
    x = 16,107,357,729.53/144,470.47
  6. Step 6: Final answer
    x = 111,492.39

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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.