Home / 171,252.12-256,545.83-126,191.72

Finding the Fourth Proportional to 171,252.12, 256,545.83 and 126,191.72

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Solution

The fourth proportional to 171,252.12, 256,545.83 and 126,191.72 is: 189,042.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,252.12 : 256,545.83 = 126,191.72 : x
  2. Step 2: Convert to fraction form
    171,252.12/256,545.83 = 126,191.72/x
  3. Step 3: Cross multiply
    171,252.12x = 256,545.83 × 126,191.72
  4. Step 4: Simplify right side
    171,252.12x = 32,373,960,503.37
  5. Step 5: Solve for x
    x = 32,373,960,503.37/171,252.12
  6. Step 6: Final answer
    x = 189,042.68

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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.