Home / 227,019.72-313,259.78-130,218.56

Finding the Fourth Proportional to 227,019.72, 313,259.78 and 130,218.56

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Solution

The fourth proportional to 227,019.72, 313,259.78 and 130,218.56 is: 179,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,019.72 : 313,259.78 = 130,218.56 : x
  2. Step 2: Convert to fraction form
    227,019.72/313,259.78 = 130,218.56/x
  3. Step 3: Cross multiply
    227,019.72x = 313,259.78 × 130,218.56
  4. Step 4: Simplify right side
    227,019.72x = 40,792,237,457.52
  5. Step 5: Solve for x
    x = 40,792,237,457.52/227,019.72
  6. Step 6: Final answer
    x = 179,685.88

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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.