Home / 231,760.40-347,640.60-148,816.40

Finding the Fourth Proportional to 231,760.40, 347,640.60 and 148,816.40

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Solution

The fourth proportional to 231,760.40, 347,640.60 and 148,816.40 is: 223,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,760.40 : 347,640.60 = 148,816.40 : x
  2. Step 2: Convert to fraction form
    231,760.40/347,640.60 = 148,816.40/x
  3. Step 3: Cross multiply
    231,760.40x = 347,640.60 × 148,816.40
  4. Step 4: Simplify right side
    231,760.40x = 51,734,622,585.84
  5. Step 5: Solve for x
    x = 51,734,622,585.84/231,760.40
  6. Step 6: Final answer
    x = 223,224.60

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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.