Home / 144,591.19-199,540.07-80,927.35

Finding the Fourth Proportional to 144,591.19, 199,540.07 and 80,927.35

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Solution

The fourth proportional to 144,591.19, 199,540.07 and 80,927.35 is: 111,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,591.19 : 199,540.07 = 80,927.35 : x
  2. Step 2: Convert to fraction form
    144,591.19/199,540.07 = 80,927.35/x
  3. Step 3: Cross multiply
    144,591.19x = 199,540.07 × 80,927.35
  4. Step 4: Simplify right side
    144,591.19x = 16,148,248,679.28
  5. Step 5: Solve for x
    x = 16,148,248,679.28/144,591.19
  6. Step 6: Final answer
    x = 111,682.11

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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.