Home / 187,632.21-258,972.63-119,633.52

Finding the Fourth Proportional to 187,632.21, 258,972.63 and 119,633.52

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Solution

The fourth proportional to 187,632.21, 258,972.63 and 119,633.52 is: 165,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,632.21 : 258,972.63 = 119,633.52 : x
  2. Step 2: Convert to fraction form
    187,632.21/258,972.63 = 119,633.52/x
  3. Step 3: Cross multiply
    187,632.21x = 258,972.63 × 119,633.52
  4. Step 4: Simplify right side
    187,632.21x = 30,981,807,310.56
  5. Step 5: Solve for x
    x = 30,981,807,310.56/187,632.21
  6. Step 6: Final answer
    x = 165,119.88

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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.