Home / 111,081.15-166,641.78-36,194.64

Finding the Fourth Proportional to 111,081.15, 166,641.78 and 36,194.64

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Solution

The fourth proportional to 111,081.15, 166,641.78 and 36,194.64 is: 54,298.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,081.15 : 166,641.78 = 36,194.64 : x
  2. Step 2: Convert to fraction form
    111,081.15/166,641.78 = 36,194.64/x
  3. Step 3: Cross multiply
    111,081.15x = 166,641.78 × 36,194.64
  4. Step 4: Simplify right side
    111,081.15x = 6,031,539,236.06
  5. Step 5: Solve for x
    x = 6,031,539,236.06/111,081.15
  6. Step 6: Final answer
    x = 54,298.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.