Home / 160,149.06-221,003.28-96,521.94

Finding the Fourth Proportional to 160,149.06, 221,003.28 and 96,521.94

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Solution

The fourth proportional to 160,149.06, 221,003.28 and 96,521.94 is: 133,198.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,149.06 : 221,003.28 = 96,521.94 : x
  2. Step 2: Convert to fraction form
    160,149.06/221,003.28 = 96,521.94/x
  3. Step 3: Cross multiply
    160,149.06x = 221,003.28 × 96,521.94
  4. Step 4: Simplify right side
    160,149.06x = 21,331,665,331.96
  5. Step 5: Solve for x
    x = 21,331,665,331.96/160,149.06
  6. Step 6: Final answer
    x = 133,198.82

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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.