Home / 225,768.10-311,560.41-125,166.10

Finding the Fourth Proportional to 225,768.10, 311,560.41 and 125,166.10

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Solution

The fourth proportional to 225,768.10, 311,560.41 and 125,166.10 is: 172,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,768.10 : 311,560.41 = 125,166.10 : x
  2. Step 2: Convert to fraction form
    225,768.10/311,560.41 = 125,166.10/x
  3. Step 3: Cross multiply
    225,768.10x = 311,560.41 × 125,166.10
  4. Step 4: Simplify right side
    225,768.10x = 38,996,801,124.57
  5. Step 5: Solve for x
    x = 38,996,801,124.57/225,768.10
  6. Step 6: Final answer
    x = 172,729.46

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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.