Home / 381,549.11-572,335.85-191,905.97

Finding the Fourth Proportional to 381,549.11, 572,335.85 and 191,905.97

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Solution

The fourth proportional to 381,549.11, 572,335.85 and 191,905.97 is: 287,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,549.11 : 572,335.85 = 191,905.97 : x
  2. Step 2: Convert to fraction form
    381,549.11/572,335.85 = 191,905.97/x
  3. Step 3: Cross multiply
    381,549.11x = 572,335.85 × 191,905.97
  4. Step 4: Simplify right side
    381,549.11x = 109,834,664,078.11
  5. Step 5: Solve for x
    x = 109,834,664,078.11/381,549.11
  6. Step 6: Final answer
    x = 287,865.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.