Home / 120,424.06-166,184.67-66,712.42

Finding the Fourth Proportional to 120,424.06, 166,184.67 and 66,712.42

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Solution

The fourth proportional to 120,424.06, 166,184.67 and 66,712.42 is: 92,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,424.06 : 166,184.67 = 66,712.42 : x
  2. Step 2: Convert to fraction form
    120,424.06/166,184.67 = 66,712.42/x
  3. Step 3: Cross multiply
    120,424.06x = 166,184.67 × 66,712.42
  4. Step 4: Simplify right side
    120,424.06x = 11,086,581,502.60
  5. Step 5: Solve for x
    x = 11,086,581,502.60/120,424.06
  6. Step 6: Final answer
    x = 92,062.84

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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.