Home / 227,133.10-313,443.68-131,695.15

Finding the Fourth Proportional to 227,133.10, 313,443.68 and 131,695.15

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Solution

The fourth proportional to 227,133.10, 313,443.68 and 131,695.15 is: 181,739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,133.10 : 313,443.68 = 131,695.15 : x
  2. Step 2: Convert to fraction form
    227,133.10/313,443.68 = 131,695.15/x
  3. Step 3: Cross multiply
    227,133.10x = 313,443.68 × 131,695.15
  4. Step 4: Simplify right side
    227,133.10x = 41,279,012,454.15
  5. Step 5: Solve for x
    x = 41,279,012,454.15/227,133.10
  6. Step 6: Final answer
    x = 181,739.31

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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.