Home / 227,022.60-313,263.75-130,221.44

Finding the Fourth Proportional to 227,022.60, 313,263.75 and 130,221.44

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Solution

The fourth proportional to 227,022.60, 313,263.75 and 130,221.44 is: 179,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,022.60 : 313,263.75 = 130,221.44 : x
  2. Step 2: Convert to fraction form
    227,022.60/313,263.75 = 130,221.44/x
  3. Step 3: Cross multiply
    227,022.60x = 313,263.75 × 130,221.44
  4. Step 4: Simplify right side
    227,022.60x = 40,793,654,732.93
  5. Step 5: Solve for x
    x = 40,793,654,732.93/227,022.60
  6. Step 6: Final answer
    x = 179,689.84

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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.