Home / 189,518.33-261,535.23-108,961.61

Finding the Fourth Proportional to 189,518.33, 261,535.23 and 108,961.61

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Solution

The fourth proportional to 189,518.33, 261,535.23 and 108,961.61 is: 150,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,518.33 : 261,535.23 = 108,961.61 : x
  2. Step 2: Convert to fraction form
    189,518.33/261,535.23 = 108,961.61/x
  3. Step 3: Cross multiply
    189,518.33x = 261,535.23 × 108,961.61
  4. Step 4: Simplify right side
    189,518.33x = 28,497,298,424.84
  5. Step 5: Solve for x
    x = 28,497,298,424.84/189,518.33
  6. Step 6: Final answer
    x = 150,366.98

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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.