Home / 166,909.41-250,353.18-78,182.82

Finding the Fourth Proportional to 166,909.41, 250,353.18 and 78,182.82

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Solution

The fourth proportional to 166,909.41, 250,353.18 and 78,182.82 is: 117,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,909.41 : 250,353.18 = 78,182.82 : x
  2. Step 2: Convert to fraction form
    166,909.41/250,353.18 = 78,182.82/x
  3. Step 3: Cross multiply
    166,909.41x = 250,353.18 × 78,182.82
  4. Step 4: Simplify right side
    166,909.41x = 19,573,317,608.37
  5. Step 5: Solve for x
    x = 19,573,317,608.37/166,909.41
  6. Step 6: Final answer
    x = 117,269.11

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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.