Home / 112,105.12-168,157.68-33,220.48

Finding the Fourth Proportional to 112,105.12, 168,157.68 and 33,220.48

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Solution

The fourth proportional to 112,105.12, 168,157.68 and 33,220.48 is: 49,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,105.12 : 168,157.68 = 33,220.48 : x
  2. Step 2: Convert to fraction form
    112,105.12/168,157.68 = 33,220.48/x
  3. Step 3: Cross multiply
    112,105.12x = 168,157.68 × 33,220.48
  4. Step 4: Simplify right side
    112,105.12x = 5,586,278,845.29
  5. Step 5: Solve for x
    x = 5,586,278,845.29/112,105.12
  6. Step 6: Final answer
    x = 49,830.72

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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.