Home / 160,758.83-221,836.37-89,136.20

Finding the Fourth Proportional to 160,758.83, 221,836.37 and 89,136.20

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Solution

The fourth proportional to 160,758.83, 221,836.37 and 89,136.20 is: 123,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,758.83 : 221,836.37 = 89,136.20 : x
  2. Step 2: Convert to fraction form
    160,758.83/221,836.37 = 89,136.20/x
  3. Step 3: Cross multiply
    160,758.83x = 221,836.37 × 89,136.20
  4. Step 4: Simplify right side
    160,758.83x = 19,773,649,488.73
  5. Step 5: Solve for x
    x = 19,773,649,488.73/160,758.83
  6. Step 6: Final answer
    x = 123,001.95

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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.