Home / 227,711.20-341,438.80-87,474.40

Finding the Fourth Proportional to 227,711.20, 341,438.80 and 87,474.40

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Solution

The fourth proportional to 227,711.20, 341,438.80 and 87,474.40 is: 131,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,711.20 : 341,438.80 = 87,474.40 : x
  2. Step 2: Convert to fraction form
    227,711.20/341,438.80 = 87,474.40/x
  3. Step 3: Cross multiply
    227,711.20x = 341,438.80 × 87,474.40
  4. Step 4: Simplify right side
    227,711.20x = 29,867,154,166.72
  5. Step 5: Solve for x
    x = 29,867,154,166.72/227,711.20
  6. Step 6: Final answer
    x = 131,162.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.