Home / 160,490.15-221,476.38-88,870.18

Finding the Fourth Proportional to 160,490.15, 221,476.38 and 88,870.18

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Solution

The fourth proportional to 160,490.15, 221,476.38 and 88,870.18 is: 122,640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,490.15 : 221,476.38 = 88,870.18 : x
  2. Step 2: Convert to fraction form
    160,490.15/221,476.38 = 88,870.18/x
  3. Step 3: Cross multiply
    160,490.15x = 221,476.38 × 88,870.18
  4. Step 4: Simplify right side
    160,490.15x = 19,682,644,648.97
  5. Step 5: Solve for x
    x = 19,682,644,648.97/160,490.15
  6. Step 6: Final answer
    x = 122,640.83

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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.