Home / 247,843-341,867.26-197,661.88

Finding the Fourth Proportional to 247,843, 341,867.26 and 197,661.88

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Solution

The fourth proportional to 247,843, 341,867.26 and 197,661.88 is: 272,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,843 : 341,867.26 = 197,661.88 : x
  2. Step 2: Convert to fraction form
    247,843/341,867.26 = 197,661.88/x
  3. Step 3: Cross multiply
    247,843x = 341,867.26 × 197,661.88
  4. Step 4: Simplify right side
    247,843x = 67,574,125,322.05
  5. Step 5: Solve for x
    x = 67,574,125,322.05/247,843
  6. Step 6: Final answer
    x = 272,648.92

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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.