Home / 195,997.80-270,478.62-111,116.28

Finding the Fourth Proportional to 195,997.80, 270,478.62 and 111,116.28

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Solution

The fourth proportional to 195,997.80, 270,478.62 and 111,116.28 is: 153,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,997.80 : 270,478.62 = 111,116.28 : x
  2. Step 2: Convert to fraction form
    195,997.80/270,478.62 = 111,116.28/x
  3. Step 3: Cross multiply
    195,997.80x = 270,478.62 × 111,116.28
  4. Step 4: Simplify right side
    195,997.80x = 30,054,578,073.93
  5. Step 5: Solve for x
    x = 30,054,578,073.93/195,997.80
  6. Step 6: Final answer
    x = 153,341.41

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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.