Home / 136,193.38-187,804.70-82,458.79

Finding the Fourth Proportional to 136,193.38, 187,804.70 and 82,458.79

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Solution

The fourth proportional to 136,193.38, 187,804.70 and 82,458.79 is: 113,707.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,193.38 : 187,804.70 = 82,458.79 : x
  2. Step 2: Convert to fraction form
    136,193.38/187,804.70 = 82,458.79/x
  3. Step 3: Cross multiply
    136,193.38x = 187,804.70 × 82,458.79
  4. Step 4: Simplify right side
    136,193.38x = 15,486,148,318.31
  5. Step 5: Solve for x
    x = 15,486,148,318.31/136,193.38
  6. Step 6: Final answer
    x = 113,707.06

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1.5x scale

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.