Home / 120,523.68-166,320.03-66,808.23

Finding the Fourth Proportional to 120,523.68, 166,320.03 and 66,808.23

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Solution

The fourth proportional to 120,523.68, 166,320.03 and 66,808.23 is: 92,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,523.68 : 166,320.03 = 66,808.23 : x
  2. Step 2: Convert to fraction form
    120,523.68/166,320.03 = 66,808.23/x
  3. Step 3: Cross multiply
    120,523.68x = 166,320.03 × 66,808.23
  4. Step 4: Simplify right side
    120,523.68x = 11,111,546,817.85
  5. Step 5: Solve for x
    x = 11,111,546,817.85/120,523.68
  6. Step 6: Final answer
    x = 92,193.89

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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.