Home / 198,238.14-297,354.60-48,479.67

Finding the Fourth Proportional to 198,238.14, 297,354.60 and 48,479.67

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Solution

The fourth proportional to 198,238.14, 297,354.60 and 48,479.67 is: 72,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,238.14 : 297,354.60 = 48,479.67 : x
  2. Step 2: Convert to fraction form
    198,238.14/297,354.60 = 48,479.67/x
  3. Step 3: Cross multiply
    198,238.14x = 297,354.60 × 48,479.67
  4. Step 4: Simplify right side
    198,238.14x = 14,415,652,880.98
  5. Step 5: Solve for x
    x = 14,415,652,880.98/198,238.14
  6. Step 6: Final answer
    x = 72,718.87

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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.