Home / 227,022.35-313,263.40-130,221.19

Finding the Fourth Proportional to 227,022.35, 313,263.40 and 130,221.19

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Solution

The fourth proportional to 227,022.35, 313,263.40 and 130,221.19 is: 179,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,022.35 : 313,263.40 = 130,221.19 : x
  2. Step 2: Convert to fraction form
    227,022.35/313,263.40 = 130,221.19/x
  3. Step 3: Cross multiply
    227,022.35x = 313,263.40 × 130,221.19
  4. Step 4: Simplify right side
    227,022.35x = 40,793,531,490.68
  5. Step 5: Solve for x
    x = 40,793,531,490.68/227,022.35
  6. Step 6: Final answer
    x = 179,689.50

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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.