Home / 203,863.68-281,323.53-113,223.60

Finding the Fourth Proportional to 203,863.68, 281,323.53 and 113,223.60

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Solution

The fourth proportional to 203,863.68, 281,323.53 and 113,223.60 is: 156,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,863.68 : 281,323.53 = 113,223.60 : x
  2. Step 2: Convert to fraction form
    203,863.68/281,323.53 = 113,223.60/x
  3. Step 3: Cross multiply
    203,863.68x = 281,323.53 × 113,223.60
  4. Step 4: Simplify right side
    203,863.68x = 31,852,462,831.31
  5. Step 5: Solve for x
    x = 31,852,462,831.31/203,863.68
  6. Step 6: Final answer
    x = 156,243.93

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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.