Home / 203,940.72-281,540.52-127,502.28

Finding the Fourth Proportional to 203,940.72, 281,540.52 and 127,502.28

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Solution

The fourth proportional to 203,940.72, 281,540.52 and 127,502.28 is: 176,017.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940.72 : 281,540.52 = 127,502.28 : x
  2. Step 2: Convert to fraction form
    203,940.72/281,540.52 = 127,502.28/x
  3. Step 3: Cross multiply
    203,940.72x = 281,540.52 × 127,502.28
  4. Step 4: Simplify right side
    203,940.72x = 35,897,058,212.39
  5. Step 5: Solve for x
    x = 35,897,058,212.39/203,940.72
  6. Step 6: Final answer
    x = 176,017.12

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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.