Home / 203,831.24-281,294.14-113,188.72

Finding the Fourth Proportional to 203,831.24, 281,294.14 and 113,188.72

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Solution

The fourth proportional to 203,831.24, 281,294.14 and 113,188.72 is: 156,204.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,831.24 : 281,294.14 = 113,188.72 : x
  2. Step 2: Convert to fraction form
    203,831.24/281,294.14 = 113,188.72/x
  3. Step 3: Cross multiply
    203,831.24x = 281,294.14 × 113,188.72
  4. Step 4: Simplify right side
    203,831.24x = 31,839,322,930.75
  5. Step 5: Solve for x
    x = 31,839,322,930.75/203,831.24
  6. Step 6: Final answer
    x = 156,204.34

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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.