Home / 160,660.30-221,711.24-89,044.95

Finding the Fourth Proportional to 160,660.30, 221,711.24 and 89,044.95

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Solution

The fourth proportional to 160,660.30, 221,711.24 and 89,044.95 is: 122,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,660.30 : 221,711.24 = 89,044.95 : x
  2. Step 2: Convert to fraction form
    160,660.30/221,711.24 = 89,044.95/x
  3. Step 3: Cross multiply
    160,660.30x = 221,711.24 × 89,044.95
  4. Step 4: Simplify right side
    160,660.30x = 19,742,266,280.24
  5. Step 5: Solve for x
    x = 19,742,266,280.24/160,660.30
  6. Step 6: Final answer
    x = 122,882.05

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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.