Home / 203,915.76-281,394.24-113,277.60

Finding the Fourth Proportional to 203,915.76, 281,394.24 and 113,277.60

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Solution

The fourth proportional to 203,915.76, 281,394.24 and 113,277.60 is: 156,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,915.76 : 281,394.24 = 113,277.60 : x
  2. Step 2: Convert to fraction form
    203,915.76/281,394.24 = 113,277.60/x
  3. Step 3: Cross multiply
    203,915.76x = 281,394.24 × 113,277.60
  4. Step 4: Simplify right side
    203,915.76x = 31,875,664,161.02
  5. Step 5: Solve for x
    x = 31,875,664,161.02/203,915.76
  6. Step 6: Final answer
    x = 156,317.81

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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.