Home / 120,853.48-166,759.32-67,133.56

Finding the Fourth Proportional to 120,853.48, 166,759.32 and 67,133.56

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Solution

The fourth proportional to 120,853.48, 166,759.32 and 67,133.56 is: 92,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,853.48 : 166,759.32 = 67,133.56 : x
  2. Step 2: Convert to fraction form
    120,853.48/166,759.32 = 67,133.56/x
  3. Step 3: Cross multiply
    120,853.48x = 166,759.32 × 67,133.56
  4. Step 4: Simplify right side
    120,853.48x = 11,195,146,814.78
  5. Step 5: Solve for x
    x = 11,195,146,814.78/120,853.48
  6. Step 6: Final answer
    x = 92,634.05

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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.