Home / 198,289.31-297,437.81-48,530.90

Finding the Fourth Proportional to 198,289.31, 297,437.81 and 48,530.90

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Solution

The fourth proportional to 198,289.31, 297,437.81 and 48,530.90 is: 72,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,289.31 : 297,437.81 = 48,530.90 : x
  2. Step 2: Convert to fraction form
    198,289.31/297,437.81 = 48,530.90/x
  3. Step 3: Cross multiply
    198,289.31x = 297,437.81 × 48,530.90
  4. Step 4: Simplify right side
    198,289.31x = 14,434,923,645.92
  5. Step 5: Solve for x
    x = 14,434,923,645.92/198,289.31
  6. Step 6: Final answer
    x = 72,797.29

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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.