Home / 120,827.16-166,733.10-67,110.84

Finding the Fourth Proportional to 120,827.16, 166,733.10 and 67,110.84

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Solution

The fourth proportional to 120,827.16, 166,733.10 and 67,110.84 is: 92,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,827.16 : 166,733.10 = 67,110.84 : x
  2. Step 2: Convert to fraction form
    120,827.16/166,733.10 = 67,110.84/x
  3. Step 3: Cross multiply
    120,827.16x = 166,733.10 × 67,110.84
  4. Step 4: Simplify right side
    120,827.16x = 11,189,598,396.80
  5. Step 5: Solve for x
    x = 11,189,598,396.80/120,827.16
  6. Step 6: Final answer
    x = 92,608.30

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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.