Home / 262,149.27-393,158.79-112,372.59

Finding the Fourth Proportional to 262,149.27, 393,158.79 and 112,372.59

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Solution

The fourth proportional to 262,149.27, 393,158.79 and 112,372.59 is: 168,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,149.27 : 393,158.79 = 112,372.59 : x
  2. Step 2: Convert to fraction form
    262,149.27/393,158.79 = 112,372.59/x
  3. Step 3: Cross multiply
    262,149.27x = 393,158.79 × 112,372.59
  4. Step 4: Simplify right side
    262,149.27x = 44,180,271,513.57
  5. Step 5: Solve for x
    x = 44,180,271,513.57/262,149.27
  6. Step 6: Final answer
    x = 168,530.97

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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.