Home / 160,231.96-221,121.52-88,616.80

Finding the Fourth Proportional to 160,231.96, 221,121.52 and 88,616.80

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Solution

The fourth proportional to 160,231.96, 221,121.52 and 88,616.80 is: 122,291.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,231.96 : 221,121.52 = 88,616.80 : x
  2. Step 2: Convert to fraction form
    160,231.96/221,121.52 = 88,616.80/x
  3. Step 3: Cross multiply
    160,231.96x = 221,121.52 × 88,616.80
  4. Step 4: Simplify right side
    160,231.96x = 19,595,081,513.54
  5. Step 5: Solve for x
    x = 19,595,081,513.54/160,231.96
  6. Step 6: Final answer
    x = 122,291.97

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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.