Home / 134,513.22-185,614.52-82,822.11

Finding the Fourth Proportional to 134,513.22, 185,614.52 and 82,822.11

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Solution

The fourth proportional to 134,513.22, 185,614.52 and 82,822.11 is: 114,286.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,513.22 : 185,614.52 = 82,822.11 : x
  2. Step 2: Convert to fraction form
    134,513.22/185,614.52 = 82,822.11/x
  3. Step 3: Cross multiply
    134,513.22x = 185,614.52 × 82,822.11
  4. Step 4: Simplify right side
    134,513.22x = 15,372,986,126.95
  5. Step 5: Solve for x
    x = 15,372,986,126.95/134,513.22
  6. Step 6: Final answer
    x = 114,286.06

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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.