Home / 225,853.22-311,669.61-125,260.58

Finding the Fourth Proportional to 225,853.22, 311,669.61 and 125,260.58

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Solution

The fourth proportional to 225,853.22, 311,669.61 and 125,260.58 is: 172,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,853.22 : 311,669.61 = 125,260.58 : x
  2. Step 2: Convert to fraction form
    225,853.22/311,669.61 = 125,260.58/x
  3. Step 3: Cross multiply
    225,853.22x = 311,669.61 × 125,260.58
  4. Step 4: Simplify right side
    225,853.22x = 39,039,916,116.97
  5. Step 5: Solve for x
    x = 39,039,916,116.97/225,853.22
  6. Step 6: Final answer
    x = 172,855.26

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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.