Home / 234,942.27-324,220.65-127,512.31

Finding the Fourth Proportional to 234,942.27, 324,220.65 and 127,512.31

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Solution

The fourth proportional to 234,942.27, 324,220.65 and 127,512.31 is: 175,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,942.27 : 324,220.65 = 127,512.31 : x
  2. Step 2: Convert to fraction form
    234,942.27/324,220.65 = 127,512.31/x
  3. Step 3: Cross multiply
    234,942.27x = 324,220.65 × 127,512.31
  4. Step 4: Simplify right side
    234,942.27x = 41,342,122,410.10
  5. Step 5: Solve for x
    x = 41,342,122,410.10/234,942.27
  6. Step 6: Final answer
    x = 175,967.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.