Home / 239,911.09-331,150.60-148,058.46

Finding the Fourth Proportional to 239,911.09, 331,150.60 and 148,058.46

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Solution

The fourth proportional to 239,911.09, 331,150.60 and 148,058.46 is: 204,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,911.09 : 331,150.60 = 148,058.46 : x
  2. Step 2: Convert to fraction form
    239,911.09/331,150.60 = 148,058.46/x
  3. Step 3: Cross multiply
    239,911.09x = 331,150.60 × 148,058.46
  4. Step 4: Simplify right side
    239,911.09x = 49,029,647,534.20
  5. Step 5: Solve for x
    x = 49,029,647,534.20/239,911.09
  6. Step 6: Final answer
    x = 204,365.91

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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.