Home / 280,013.40-386,246.70-179,236.44

Finding the Fourth Proportional to 280,013.40, 386,246.70 and 179,236.44

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Solution

The fourth proportional to 280,013.40, 386,246.70 and 179,236.44 is: 247,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,013.40 : 386,246.70 = 179,236.44 : x
  2. Step 2: Convert to fraction form
    280,013.40/386,246.70 = 179,236.44/x
  3. Step 3: Cross multiply
    280,013.40x = 386,246.70 × 179,236.44
  4. Step 4: Simplify right side
    280,013.40x = 69,229,483,469.75
  5. Step 5: Solve for x
    x = 69,229,483,469.75/280,013.40
  6. Step 6: Final answer
    x = 247,236.32

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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.