Home / 394,022.27-591,272.46-157,345.13

Finding the Fourth Proportional to 394,022.27, 591,272.46 and 157,345.13

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Solution

The fourth proportional to 394,022.27, 591,272.46 and 157,345.13 is: 236,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,022.27 : 591,272.46 = 157,345.13 : x
  2. Step 2: Convert to fraction form
    394,022.27/591,272.46 = 157,345.13/x
  3. Step 3: Cross multiply
    394,022.27x = 591,272.46 × 157,345.13
  4. Step 4: Simplify right side
    394,022.27x = 93,033,843,562.30
  5. Step 5: Solve for x
    x = 93,033,843,562.30/394,022.27
  6. Step 6: Final answer
    x = 236,113.16

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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.