Home / 144,867.16-199,937.18-80,350.66

Finding the Fourth Proportional to 144,867.16, 199,937.18 and 80,350.66

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Solution

The fourth proportional to 144,867.16, 199,937.18 and 80,350.66 is: 110,895.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,867.16 : 199,937.18 = 80,350.66 : x
  2. Step 2: Convert to fraction form
    144,867.16/199,937.18 = 80,350.66/x
  3. Step 3: Cross multiply
    144,867.16x = 199,937.18 × 80,350.66
  4. Step 4: Simplify right side
    144,867.16x = 16,065,084,371.54
  5. Step 5: Solve for x
    x = 16,065,084,371.54/144,867.16
  6. Step 6: Final answer
    x = 110,895.28

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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.