Home / 170,016.16-234,630.96-98,399.20

Finding the Fourth Proportional to 170,016.16, 234,630.96 and 98,399.20

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Solution

The fourth proportional to 170,016.16, 234,630.96 and 98,399.20 is: 135,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,016.16 : 234,630.96 = 98,399.20 : x
  2. Step 2: Convert to fraction form
    170,016.16/234,630.96 = 98,399.20/x
  3. Step 3: Cross multiply
    170,016.16x = 234,630.96 × 98,399.20
  4. Step 4: Simplify right side
    170,016.16x = 23,087,498,759.23
  5. Step 5: Solve for x
    x = 23,087,498,759.23/170,016.16
  6. Step 6: Final answer
    x = 135,795.91

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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.