Home / 227,205.32-313,544.64-131,768.72

Finding the Fourth Proportional to 227,205.32, 313,544.64 and 131,768.72

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Solution

The fourth proportional to 227,205.32, 313,544.64 and 131,768.72 is: 181,841.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,205.32 : 313,544.64 = 131,768.72 : x
  2. Step 2: Convert to fraction form
    227,205.32/313,544.64 = 131,768.72/x
  3. Step 3: Cross multiply
    227,205.32x = 313,544.64 × 131,768.72
  4. Step 4: Simplify right side
    227,205.32x = 41,315,375,875.66
  5. Step 5: Solve for x
    x = 41,315,375,875.66/227,205.32
  6. Step 6: Final answer
    x = 181,841.59

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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.