Home / 231,825.20-347,478.60-98,682.80

Finding the Fourth Proportional to 231,825.20, 347,478.60 and 98,682.80

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Solution

The fourth proportional to 231,825.20, 347,478.60 and 98,682.80 is: 147,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,825.20 : 347,478.60 = 98,682.80 : x
  2. Step 2: Convert to fraction form
    231,825.20/347,478.60 = 98,682.80/x
  3. Step 3: Cross multiply
    231,825.20x = 347,478.60 × 98,682.80
  4. Step 4: Simplify right side
    231,825.20x = 34,290,161,188.08
  5. Step 5: Solve for x
    x = 34,290,161,188.08/231,825.20
  6. Step 6: Final answer
    x = 147,913.86

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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.