Home / 124,311.20-186,354.84-45,370.04

Finding the Fourth Proportional to 124,311.20, 186,354.84 and 45,370.04

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Solution

The fourth proportional to 124,311.20, 186,354.84 and 45,370.04 is: 68,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,311.20 : 186,354.84 = 45,370.04 : x
  2. Step 2: Convert to fraction form
    124,311.20/186,354.84 = 45,370.04/x
  3. Step 3: Cross multiply
    124,311.20x = 186,354.84 × 45,370.04
  4. Step 4: Simplify right side
    124,311.20x = 8,454,926,544.99
  5. Step 5: Solve for x
    x = 8,454,926,544.99/124,311.20
  6. Step 6: Final answer
    x = 68,014.20

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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.