Home / 193,340.05-290,115.78-75,016.06

Finding the Fourth Proportional to 193,340.05, 290,115.78 and 75,016.06

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Solution

The fourth proportional to 193,340.05, 290,115.78 and 75,016.06 is: 112,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,340.05 : 290,115.78 = 75,016.06 : x
  2. Step 2: Convert to fraction form
    193,340.05/290,115.78 = 75,016.06/x
  3. Step 3: Cross multiply
    193,340.05x = 290,115.78 × 75,016.06
  4. Step 4: Simplify right side
    193,340.05x = 21,763,342,759.43
  5. Step 5: Solve for x
    x = 21,763,342,759.43/193,340.05
  6. Step 6: Final answer
    x = 112,565.10

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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.