Home / 140,941.12-211,411.68-47,439.04

Finding the Fourth Proportional to 140,941.12, 211,411.68 and 47,439.04

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Solution

The fourth proportional to 140,941.12, 211,411.68 and 47,439.04 is: 71,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,941.12 : 211,411.68 = 47,439.04 : x
  2. Step 2: Convert to fraction form
    140,941.12/211,411.68 = 47,439.04/x
  3. Step 3: Cross multiply
    140,941.12x = 211,411.68 × 47,439.04
  4. Step 4: Simplify right side
    140,941.12x = 10,029,167,143.99
  5. Step 5: Solve for x
    x = 10,029,167,143.99/140,941.12
  6. Step 6: Final answer
    x = 71,158.56

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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.