Home / 268,436.25-370,432.58-147,576.67

Finding the Fourth Proportional to 268,436.25, 370,432.58 and 147,576.67

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Solution

The fourth proportional to 268,436.25, 370,432.58 and 147,576.67 is: 203,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,436.25 : 370,432.58 = 147,576.67 : x
  2. Step 2: Convert to fraction form
    268,436.25/370,432.58 = 147,576.67/x
  3. Step 3: Cross multiply
    268,436.25x = 370,432.58 × 147,576.67
  4. Step 4: Simplify right side
    268,436.25x = 54,667,204,951.94
  5. Step 5: Solve for x
    x = 54,667,204,951.94/268,436.25
  6. Step 6: Final answer
    x = 203,650.61

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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.