Home / 227,133.72-313,444.54-131,695.78

Finding the Fourth Proportional to 227,133.72, 313,444.54 and 131,695.78

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Solution

The fourth proportional to 227,133.72, 313,444.54 and 131,695.78 is: 181,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,133.72 : 313,444.54 = 131,695.78 : x
  2. Step 2: Convert to fraction form
    227,133.72/313,444.54 = 131,695.78/x
  3. Step 3: Cross multiply
    227,133.72x = 313,444.54 × 131,695.78
  4. Step 4: Simplify right side
    227,133.72x = 41,279,321,614.82
  5. Step 5: Solve for x
    x = 41,279,321,614.82/227,133.72
  6. Step 6: Final answer
    x = 181,740.17

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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.