Home / 120,441.48-166,204.49-66,727.32

Finding the Fourth Proportional to 120,441.48, 166,204.49 and 66,727.32

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Solution

The fourth proportional to 120,441.48, 166,204.49 and 66,727.32 is: 92,081.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,441.48 : 166,204.49 = 66,727.32 : x
  2. Step 2: Convert to fraction form
    120,441.48/166,204.49 = 66,727.32/x
  3. Step 3: Cross multiply
    120,441.48x = 166,204.49 × 66,727.32
  4. Step 4: Simplify right side
    120,441.48x = 11,090,379,856.03
  5. Step 5: Solve for x
    x = 11,090,379,856.03/120,441.48
  6. Step 6: Final answer
    x = 92,081.07

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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.