Home / 158,557.20-218,818.97-104,747.88

Finding the Fourth Proportional to 158,557.20, 218,818.97 and 104,747.88

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Solution

The fourth proportional to 158,557.20, 218,818.97 and 104,747.88 is: 144,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,557.20 : 218,818.97 = 104,747.88 : x
  2. Step 2: Convert to fraction form
    158,557.20/218,818.97 = 104,747.88/x
  3. Step 3: Cross multiply
    158,557.20x = 218,818.97 × 104,747.88
  4. Step 4: Simplify right side
    158,557.20x = 22,920,823,900.92
  5. Step 5: Solve for x
    x = 22,920,823,900.92/158,557.20
  6. Step 6: Final answer
    x = 144,558.71

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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.