Home / 189,807.26-261,960.34-109,233.32

Finding the Fourth Proportional to 189,807.26, 261,960.34 and 109,233.32

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Solution

The fourth proportional to 189,807.26, 261,960.34 and 109,233.32 is: 150,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,807.26 : 261,960.34 = 109,233.32 : x
  2. Step 2: Convert to fraction form
    189,807.26/261,960.34 = 109,233.32/x
  3. Step 3: Cross multiply
    189,807.26x = 261,960.34 × 109,233.32
  4. Step 4: Simplify right side
    189,807.26x = 28,614,797,646.53
  5. Step 5: Solve for x
    x = 28,614,797,646.53/189,807.26
  6. Step 6: Final answer
    x = 150,757.13

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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.