Home / 120,837.08-166,758.20-67,119.52

Finding the Fourth Proportional to 120,837.08, 166,758.20 and 67,119.52

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Solution

The fourth proportional to 120,837.08, 166,758.20 and 67,119.52 is: 92,626.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,837.08 : 166,758.20 = 67,119.52 : x
  2. Step 2: Convert to fraction form
    120,837.08/166,758.20 = 67,119.52/x
  3. Step 3: Cross multiply
    120,837.08x = 166,758.20 × 67,119.52
  4. Step 4: Simplify right side
    120,837.08x = 11,192,730,340.06
  5. Step 5: Solve for x
    x = 11,192,730,340.06/120,837.08
  6. Step 6: Final answer
    x = 92,626.62

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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.