Home / 231,993.60-347,787.90-89,935.80

Finding the Fourth Proportional to 231,993.60, 347,787.90 and 89,935.80

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Solution

The fourth proportional to 231,993.60, 347,787.90 and 89,935.80 is: 134,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,993.60 : 347,787.90 = 89,935.80 : x
  2. Step 2: Convert to fraction form
    231,993.60/347,787.90 = 89,935.80/x
  3. Step 3: Cross multiply
    231,993.60x = 347,787.90 × 89,935.80
  4. Step 4: Simplify right side
    231,993.60x = 31,278,583,016.82
  5. Step 5: Solve for x
    x = 31,278,583,016.82/231,993.60
  6. Step 6: Final answer
    x = 134,825.20

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1.5x scale

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.