Home / 114,928.40-158,620.06-67,172.42

Finding the Fourth Proportional to 114,928.40, 158,620.06 and 67,172.42

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Solution

The fourth proportional to 114,928.40, 158,620.06 and 67,172.42 is: 92,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,928.40 : 158,620.06 = 67,172.42 : x
  2. Step 2: Convert to fraction form
    114,928.40/158,620.06 = 67,172.42/x
  3. Step 3: Cross multiply
    114,928.40x = 158,620.06 × 67,172.42
  4. Step 4: Simplify right side
    114,928.40x = 10,654,893,290.75
  5. Step 5: Solve for x
    x = 10,654,893,290.75/114,928.40
  6. Step 6: Final answer
    x = 92,708.97

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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.