Home / 227,133.22-313,443.85-131,695.28

Finding the Fourth Proportional to 227,133.22, 313,443.85 and 131,695.28

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Solution

The fourth proportional to 227,133.22, 313,443.85 and 131,695.28 is: 181,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,133.22 : 313,443.85 = 131,695.28 : x
  2. Step 2: Convert to fraction form
    227,133.22/313,443.85 = 131,695.28/x
  3. Step 3: Cross multiply
    227,133.22x = 313,443.85 × 131,695.28
  4. Step 4: Simplify right side
    227,133.22x = 41,279,074,022.81
  5. Step 5: Solve for x
    x = 41,279,074,022.81/227,133.22
  6. Step 6: Final answer
    x = 181,739.48

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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.