Home / 256,731.03-354,261.56-141,991.44

Finding the Fourth Proportional to 256,731.03, 354,261.56 and 141,991.44

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Solution

The fourth proportional to 256,731.03, 354,261.56 and 141,991.44 is: 195,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,731.03 : 354,261.56 = 141,991.44 : x
  2. Step 2: Convert to fraction form
    256,731.03/354,261.56 = 141,991.44/x
  3. Step 3: Cross multiply
    256,731.03x = 354,261.56 × 141,991.44
  4. Step 4: Simplify right side
    256,731.03x = 50,302,107,351.54
  5. Step 5: Solve for x
    x = 50,302,107,351.54/256,731.03
  6. Step 6: Final answer
    x = 195,933.11

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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.