Home / 231,433.20-347,149.80-73,677.60

Finding the Fourth Proportional to 231,433.20, 347,149.80 and 73,677.60

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Solution

The fourth proportional to 231,433.20, 347,149.80 and 73,677.60 is: 110,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,433.20 : 347,149.80 = 73,677.60 : x
  2. Step 2: Convert to fraction form
    231,433.20/347,149.80 = 73,677.60/x
  3. Step 3: Cross multiply
    231,433.20x = 347,149.80 × 73,677.60
  4. Step 4: Simplify right side
    231,433.20x = 25,577,164,104.48
  5. Step 5: Solve for x
    x = 25,577,164,104.48/231,433.20
  6. Step 6: Final answer
    x = 110,516.40

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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.