Home / 149,081.32-223,604.70-81,633.64

Finding the Fourth Proportional to 149,081.32, 223,604.70 and 81,633.64

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Solution

The fourth proportional to 149,081.32, 223,604.70 and 81,633.64 is: 122,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,081.32 : 223,604.70 = 81,633.64 : x
  2. Step 2: Convert to fraction form
    149,081.32/223,604.70 = 81,633.64/x
  3. Step 3: Cross multiply
    149,081.32x = 223,604.70 × 81,633.64
  4. Step 4: Simplify right side
    149,081.32x = 18,253,665,582.11
  5. Step 5: Solve for x
    x = 18,253,665,582.11/149,081.32
  6. Step 6: Final answer
    x = 122,441.00

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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.