Home / 227,316.16-313,634.76-129,198.04

Finding the Fourth Proportional to 227,316.16, 313,634.76 and 129,198.04

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Solution

The fourth proportional to 227,316.16, 313,634.76 and 129,198.04 is: 178,258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,316.16 : 313,634.76 = 129,198.04 : x
  2. Step 2: Convert to fraction form
    227,316.16/313,634.76 = 129,198.04/x
  3. Step 3: Cross multiply
    227,316.16x = 313,634.76 × 129,198.04
  4. Step 4: Simplify right side
    227,316.16x = 40,520,996,267.87
  5. Step 5: Solve for x
    x = 40,520,996,267.87/227,316.16
  6. Step 6: Final answer
    x = 178,258.32

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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.