Home / 160,660.94-221,706.06-89,042.18

Finding the Fourth Proportional to 160,660.94, 221,706.06 and 89,042.18

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Solution

The fourth proportional to 160,660.94, 221,706.06 and 89,042.18 is: 122,874.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,660.94 : 221,706.06 = 89,042.18 : x
  2. Step 2: Convert to fraction form
    160,660.94/221,706.06 = 89,042.18/x
  3. Step 3: Cross multiply
    160,660.94x = 221,706.06 × 89,042.18
  4. Step 4: Simplify right side
    160,660.94x = 19,741,190,901.61
  5. Step 5: Solve for x
    x = 19,741,190,901.61/160,660.94
  6. Step 6: Final answer
    x = 122,874.86

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1.5x scale

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.