Home / 231,449.20-347,200.80-73,693.60

Finding the Fourth Proportional to 231,449.20, 347,200.80 and 73,693.60

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Solution

The fourth proportional to 231,449.20, 347,200.80 and 73,693.60 is: 110,549.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,449.20 : 347,200.80 = 73,693.60 : x
  2. Step 2: Convert to fraction form
    231,449.20/347,200.80 = 73,693.60/x
  3. Step 3: Cross multiply
    231,449.20x = 347,200.80 × 73,693.60
  4. Step 4: Simplify right side
    231,449.20x = 25,586,476,874.88
  5. Step 5: Solve for x
    x = 25,586,476,874.88/231,449.20
  6. Step 6: Final answer
    x = 110,549.00

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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.