Home / 203,831.32-281,277.76-113,193.03

Finding the Fourth Proportional to 203,831.32, 281,277.76 and 113,193.03

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Solution

The fourth proportional to 203,831.32, 281,277.76 and 113,193.03 is: 156,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,831.32 : 281,277.76 = 113,193.03 : x
  2. Step 2: Convert to fraction form
    203,831.32/281,277.76 = 113,193.03/x
  3. Step 3: Cross multiply
    203,831.32x = 281,277.76 × 113,193.03
  4. Step 4: Simplify right side
    203,831.32x = 31,838,681,926.01
  5. Step 5: Solve for x
    x = 31,838,681,926.01/203,831.32
  6. Step 6: Final answer
    x = 156,201.13

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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.