Home / 160,168.89-221,013.66-88,538.97

Finding the Fourth Proportional to 160,168.89, 221,013.66 and 88,538.97

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Solution

The fourth proportional to 160,168.89, 221,013.66 and 88,538.97 is: 122,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,168.89 : 221,013.66 = 88,538.97 : x
  2. Step 2: Convert to fraction form
    160,168.89/221,013.66 = 88,538.97/x
  3. Step 3: Cross multiply
    160,168.89x = 221,013.66 × 88,538.97
  4. Step 4: Simplify right side
    160,168.89x = 19,568,321,812.33
  5. Step 5: Solve for x
    x = 19,568,321,812.33/160,168.89
  6. Step 6: Final answer
    x = 122,173.05

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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.