Home / 203,767.24-281,199.78-127,330.72

Finding the Fourth Proportional to 203,767.24, 281,199.78 and 127,330.72

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Solution

The fourth proportional to 203,767.24, 281,199.78 and 127,330.72 is: 175,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,767.24 : 281,199.78 = 127,330.72 : x
  2. Step 2: Convert to fraction form
    203,767.24/281,199.78 = 127,330.72/x
  3. Step 3: Cross multiply
    203,767.24x = 281,199.78 × 127,330.72
  4. Step 4: Simplify right side
    203,767.24x = 35,805,370,451.24
  5. Step 5: Solve for x
    x = 35,805,370,451.24/203,767.24
  6. Step 6: Final answer
    x = 175,717.01

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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.