Home / 112,107.24-168,156-27,865.62

Finding the Fourth Proportional to 112,107.24, 168,156 and 27,865.62

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Solution

The fourth proportional to 112,107.24, 168,156 and 27,865.62 is: 41,797.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,107.24 : 168,156 = 27,865.62 : x
  2. Step 2: Convert to fraction form
    112,107.24/168,156 = 27,865.62/x
  3. Step 3: Cross multiply
    112,107.24x = 168,156 × 27,865.62
  4. Step 4: Simplify right side
    112,107.24x = 4,685,771,196.72
  5. Step 5: Solve for x
    x = 4,685,771,196.72/112,107.24
  6. Step 6: Final answer
    x = 41,797.22

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1.5x scale

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.