Home / 160,778.22-221,870.52-92,789.88

Finding the Fourth Proportional to 160,778.22, 221,870.52 and 92,789.88

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Solution

The fourth proportional to 160,778.22, 221,870.52 and 92,789.88 is: 128,048.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,778.22 : 221,870.52 = 92,789.88 : x
  2. Step 2: Convert to fraction form
    160,778.22/221,870.52 = 92,789.88/x
  3. Step 3: Cross multiply
    160,778.22x = 221,870.52 × 92,789.88
  4. Step 4: Simplify right side
    160,778.22x = 20,587,338,926.34
  5. Step 5: Solve for x
    x = 20,587,338,926.34/160,778.22
  6. Step 6: Final answer
    x = 128,048.06

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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.