Home / 247,111.14-340,758.60-211,419.30

Finding the Fourth Proportional to 247,111.14, 340,758.60 and 211,419.30

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Solution

The fourth proportional to 247,111.14, 340,758.60 and 211,419.30 is: 291,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,111.14 : 340,758.60 = 211,419.30 : x
  2. Step 2: Convert to fraction form
    247,111.14/340,758.60 = 211,419.30/x
  3. Step 3: Cross multiply
    247,111.14x = 340,758.60 × 211,419.30
  4. Step 4: Simplify right side
    247,111.14x = 72,042,944,680.98
  5. Step 5: Solve for x
    x = 72,042,944,680.98/247,111.14
  6. Step 6: Final answer
    x = 291,540.66

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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.