Home / 203,712.40-281,100.31-113,072.18

Finding the Fourth Proportional to 203,712.40, 281,100.31 and 113,072.18

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Solution

The fourth proportional to 203,712.40, 281,100.31 and 113,072.18 is: 156,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,712.40 : 281,100.31 = 113,072.18 : x
  2. Step 2: Convert to fraction form
    203,712.40/281,100.31 = 113,072.18/x
  3. Step 3: Cross multiply
    203,712.40x = 281,100.31 × 113,072.18
  4. Step 4: Simplify right side
    203,712.40x = 31,784,624,285.01
  5. Step 5: Solve for x
    x = 31,784,624,285.01/203,712.40
  6. Step 6: Final answer
    x = 156,026.95

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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.