Home / 227,155.48-313,470.32-125,190.38

Finding the Fourth Proportional to 227,155.48, 313,470.32 and 125,190.38

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Solution

The fourth proportional to 227,155.48, 313,470.32 and 125,190.38 is: 172,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,155.48 : 313,470.32 = 125,190.38 : x
  2. Step 2: Convert to fraction form
    227,155.48/313,470.32 = 125,190.38/x
  3. Step 3: Cross multiply
    227,155.48x = 313,470.32 × 125,190.38
  4. Step 4: Simplify right side
    227,155.48x = 39,243,468,479.52
  5. Step 5: Solve for x
    x = 39,243,468,479.52/227,155.48
  6. Step 6: Final answer
    x = 172,760.39

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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.