Home / 120,892.84-166,778.34-80,567.24

Finding the Fourth Proportional to 120,892.84, 166,778.34 and 80,567.24

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Solution

The fourth proportional to 120,892.84, 166,778.34 and 80,567.24 is: 111,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,892.84 : 166,778.34 = 80,567.24 : x
  2. Step 2: Convert to fraction form
    120,892.84/166,778.34 = 80,567.24/x
  3. Step 3: Cross multiply
    120,892.84x = 166,778.34 × 80,567.24
  4. Step 4: Simplify right side
    120,892.84x = 13,436,870,545.58
  5. Step 5: Solve for x
    x = 13,436,870,545.58/120,892.84
  6. Step 6: Final answer
    x = 111,146.95

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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.