Home / 227,013.62-313,278.77-131,575.66

Finding the Fourth Proportional to 227,013.62, 313,278.77 and 131,575.66

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Solution

The fourth proportional to 227,013.62, 313,278.77 and 131,575.66 is: 181,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,013.62 : 313,278.77 = 131,575.66 : x
  2. Step 2: Convert to fraction form
    227,013.62/313,278.77 = 131,575.66/x
  3. Step 3: Cross multiply
    227,013.62x = 313,278.77 × 131,575.66
  4. Step 4: Simplify right side
    227,013.62x = 41,219,860,472.48
  5. Step 5: Solve for x
    x = 41,219,860,472.48/227,013.62
  6. Step 6: Final answer
    x = 181,574.40

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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.