Home / 170,231.12-255,383.28-84,888.48

Finding the Fourth Proportional to 170,231.12, 255,383.28 and 84,888.48

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Solution

The fourth proportional to 170,231.12, 255,383.28 and 84,888.48 is: 127,350.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,231.12 : 255,383.28 = 84,888.48 : x
  2. Step 2: Convert to fraction form
    170,231.12/255,383.28 = 84,888.48/x
  3. Step 3: Cross multiply
    170,231.12x = 255,383.28 × 84,888.48
  4. Step 4: Simplify right side
    170,231.12x = 21,679,098,456.61
  5. Step 5: Solve for x
    x = 21,679,098,456.61/170,231.12
  6. Step 6: Final answer
    x = 127,350.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.