Home / 220,724.12-331,021.56-100,713.08

Finding the Fourth Proportional to 220,724.12, 331,021.56 and 100,713.08

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Solution

The fourth proportional to 220,724.12, 331,021.56 and 100,713.08 is: 151,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,724.12 : 331,021.56 = 100,713.08 : x
  2. Step 2: Convert to fraction form
    220,724.12/331,021.56 = 100,713.08/x
  3. Step 3: Cross multiply
    220,724.12x = 331,021.56 × 100,713.08
  4. Step 4: Simplify right side
    220,724.12x = 33,338,200,854.00
  5. Step 5: Solve for x
    x = 33,338,200,854.00/220,724.12
  6. Step 6: Final answer
    x = 151,040.13

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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.