Home / 135,310.80-186,605.49-116,184.58

Finding the Fourth Proportional to 135,310.80, 186,605.49 and 116,184.58

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Solution

The fourth proportional to 135,310.80, 186,605.49 and 116,184.58 is: 160,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,310.80 : 186,605.49 = 116,184.58 : x
  2. Step 2: Convert to fraction form
    135,310.80/186,605.49 = 116,184.58/x
  3. Step 3: Cross multiply
    135,310.80x = 186,605.49 × 116,184.58
  4. Step 4: Simplify right side
    135,310.80x = 21,680,680,481.34
  5. Step 5: Solve for x
    x = 21,680,680,481.34/135,310.80
  6. Step 6: Final answer
    x = 160,228.75

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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.