Home / 203,831.42-281,277.95-113,193.16

Finding the Fourth Proportional to 203,831.42, 281,277.95 and 113,193.16

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Solution

The fourth proportional to 203,831.42, 281,277.95 and 113,193.16 is: 156,201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,831.42 : 281,277.95 = 113,193.16 : x
  2. Step 2: Convert to fraction form
    203,831.42/281,277.95 = 113,193.16/x
  3. Step 3: Cross multiply
    203,831.42x = 281,277.95 × 113,193.16
  4. Step 4: Simplify right side
    203,831.42x = 31,838,738,729.66
  5. Step 5: Solve for x
    x = 31,838,738,729.66/203,831.42
  6. Step 6: Final answer
    x = 156,201.33

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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.