Home / 227,135.07-313,110.16-145,454.27

Finding the Fourth Proportional to 227,135.07, 313,110.16 and 145,454.27

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Solution

The fourth proportional to 227,135.07, 313,110.16 and 145,454.27 is: 200,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,135.07 : 313,110.16 = 145,454.27 : x
  2. Step 2: Convert to fraction form
    227,135.07/313,110.16 = 145,454.27/x
  3. Step 3: Cross multiply
    227,135.07x = 313,110.16 × 145,454.27
  4. Step 4: Simplify right side
    227,135.07x = 45,543,207,823.20
  5. Step 5: Solve for x
    x = 45,543,207,823.20/227,135.07
  6. Step 6: Final answer
    x = 200,511.56

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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.