Home / 136,589.14-188,505.45-82,887.82

Finding the Fourth Proportional to 136,589.14, 188,505.45 and 82,887.82

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Solution

The fourth proportional to 136,589.14, 188,505.45 and 82,887.82 is: 114,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,589.14 : 188,505.45 = 82,887.82 : x
  2. Step 2: Convert to fraction form
    136,589.14/188,505.45 = 82,887.82/x
  3. Step 3: Cross multiply
    136,589.14x = 188,505.45 × 82,887.82
  4. Step 4: Simplify right side
    136,589.14x = 15,624,805,808.62
  5. Step 5: Solve for x
    x = 15,624,805,808.62/136,589.14
  6. Step 6: Final answer
    x = 114,392.74

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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.