Home / 189,650.08-261,724.62-109,077.51

Finding the Fourth Proportional to 189,650.08, 261,724.62 and 109,077.51

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Solution

The fourth proportional to 189,650.08, 261,724.62 and 109,077.51 is: 150,531.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,650.08 : 261,724.62 = 109,077.51 : x
  2. Step 2: Convert to fraction form
    189,650.08/261,724.62 = 109,077.51/x
  3. Step 3: Cross multiply
    189,650.08x = 261,724.62 × 109,077.51
  4. Step 4: Simplify right side
    189,650.08x = 28,548,269,855.30
  5. Step 5: Solve for x
    x = 28,548,269,855.30/189,650.08
  6. Step 6: Final answer
    x = 150,531.28

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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.