Home / 136,912.35-205,374.21-47,016.84

Finding the Fourth Proportional to 136,912.35, 205,374.21 and 47,016.84

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Solution

The fourth proportional to 136,912.35, 205,374.21 and 47,016.84 is: 70,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,912.35 : 205,374.21 = 47,016.84 : x
  2. Step 2: Convert to fraction form
    136,912.35/205,374.21 = 47,016.84/x
  3. Step 3: Cross multiply
    136,912.35x = 205,374.21 × 47,016.84
  4. Step 4: Simplify right side
    136,912.35x = 9,656,046,371.70
  5. Step 5: Solve for x
    x = 9,656,046,371.70/136,912.35
  6. Step 6: Final answer
    x = 70,527.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.