Home / 160,801.27-221,916.92-89,187.95

Finding the Fourth Proportional to 160,801.27, 221,916.92 and 89,187.95

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Solution

The fourth proportional to 160,801.27, 221,916.92 and 89,187.95 is: 123,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,801.27 : 221,916.92 = 89,187.95 : x
  2. Step 2: Convert to fraction form
    160,801.27/221,916.92 = 89,187.95/x
  3. Step 3: Cross multiply
    160,801.27x = 221,916.92 × 89,187.95
  4. Step 4: Simplify right side
    160,801.27x = 19,792,315,273.97
  5. Step 5: Solve for x
    x = 19,792,315,273.97/160,801.27
  6. Step 6: Final answer
    x = 123,085.57

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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.