Home / 120,524.27-166,306.01-66,809.25

Finding the Fourth Proportional to 120,524.27, 166,306.01 and 66,809.25

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Solution

The fourth proportional to 120,524.27, 166,306.01 and 66,809.25 is: 92,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,524.27 : 166,306.01 = 66,809.25 : x
  2. Step 2: Convert to fraction form
    120,524.27/166,306.01 = 66,809.25/x
  3. Step 3: Cross multiply
    120,524.27x = 166,306.01 × 66,809.25
  4. Step 4: Simplify right side
    120,524.27x = 11,110,779,464.55
  5. Step 5: Solve for x
    x = 11,110,779,464.55/120,524.27
  6. Step 6: Final answer
    x = 92,187.08

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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.