Home / 203,732.19-281,152.88-113,089.95

Finding the Fourth Proportional to 203,732.19, 281,152.88 and 113,089.95

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Solution

The fourth proportional to 203,732.19, 281,152.88 and 113,089.95 is: 156,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,732.19 : 281,152.88 = 113,089.95 : x
  2. Step 2: Convert to fraction form
    203,732.19/281,152.88 = 113,089.95/x
  3. Step 3: Cross multiply
    203,732.19x = 281,152.88 × 113,089.95
  4. Step 4: Simplify right side
    203,732.19x = 31,795,564,576.11
  5. Step 5: Solve for x
    x = 31,795,564,576.11/203,732.19
  6. Step 6: Final answer
    x = 156,065.49

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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.