Home / 171,072.27-256,650.12-120,569.72

Finding the Fourth Proportional to 171,072.27, 256,650.12 and 120,569.72

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Solution

The fourth proportional to 171,072.27, 256,650.12 and 120,569.72 is: 180,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072.27 : 256,650.12 = 120,569.72 : x
  2. Step 2: Convert to fraction form
    171,072.27/256,650.12 = 120,569.72/x
  3. Step 3: Cross multiply
    171,072.27x = 256,650.12 × 120,569.72
  4. Step 4: Simplify right side
    171,072.27x = 30,944,231,823.12
  5. Step 5: Solve for x
    x = 30,944,231,823.12/171,072.27
  6. Step 6: Final answer
    x = 180,883.97

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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.