Home / 160,540.46-221,694.74-120,184.16

Finding the Fourth Proportional to 160,540.46, 221,694.74 and 120,184.16

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Solution

The fourth proportional to 160,540.46, 221,694.74 and 120,184.16 is: 165,965.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,540.46 : 221,694.74 = 120,184.16 : x
  2. Step 2: Convert to fraction form
    160,540.46/221,694.74 = 120,184.16/x
  3. Step 3: Cross multiply
    160,540.46x = 221,694.74 × 120,184.16
  4. Step 4: Simplify right side
    160,540.46x = 26,644,196,103.32
  5. Step 5: Solve for x
    x = 26,644,196,103.32/160,540.46
  6. Step 6: Final answer
    x = 165,965.61

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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.