Home / 144,892.24-199,949.52-81,228.70

Finding the Fourth Proportional to 144,892.24, 199,949.52 and 81,228.70

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Solution

The fourth proportional to 144,892.24, 199,949.52 and 81,228.70 is: 112,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,892.24 : 199,949.52 = 81,228.70 : x
  2. Step 2: Convert to fraction form
    144,892.24/199,949.52 = 81,228.70/x
  3. Step 3: Cross multiply
    144,892.24x = 199,949.52 × 81,228.70
  4. Step 4: Simplify right side
    144,892.24x = 16,241,639,575.22
  5. Step 5: Solve for x
    x = 16,241,639,575.22/144,892.24
  6. Step 6: Final answer
    x = 112,094.61

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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.