Home / 227,186.20-313,518.16-130,382.34

Finding the Fourth Proportional to 227,186.20, 313,518.16 and 130,382.34

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Solution

The fourth proportional to 227,186.20, 313,518.16 and 130,382.34 is: 179,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,186.20 : 313,518.16 = 130,382.34 : x
  2. Step 2: Convert to fraction form
    227,186.20/313,518.16 = 130,382.34/x
  3. Step 3: Cross multiply
    227,186.20x = 313,518.16 × 130,382.34
  4. Step 4: Simplify right side
    227,186.20x = 40,877,231,333.29
  5. Step 5: Solve for x
    x = 40,877,231,333.29/227,186.20
  6. Step 6: Final answer
    x = 179,928.32

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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.