Home / 231,905.22-347,924.25-113,611.20

Finding the Fourth Proportional to 231,905.22, 347,924.25 and 113,611.20

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Solution

The fourth proportional to 231,905.22, 347,924.25 and 113,611.20 is: 170,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,905.22 : 347,924.25 = 113,611.20 : x
  2. Step 2: Convert to fraction form
    231,905.22/347,924.25 = 113,611.20/x
  3. Step 3: Cross multiply
    231,905.22x = 347,924.25 × 113,611.20
  4. Step 4: Simplify right side
    231,905.22x = 39,528,091,551.60
  5. Step 5: Solve for x
    x = 39,528,091,551.60/231,905.22
  6. Step 6: Final answer
    x = 170,449.34

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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.