Home / 112,109.35-168,135.36-33,205.12

Finding the Fourth Proportional to 112,109.35, 168,135.36 and 33,205.12

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Solution

The fourth proportional to 112,109.35, 168,135.36 and 33,205.12 is: 49,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,109.35 : 168,135.36 = 33,205.12 : x
  2. Step 2: Convert to fraction form
    112,109.35/168,135.36 = 33,205.12/x
  3. Step 3: Cross multiply
    112,109.35x = 168,135.36 × 33,205.12
  4. Step 4: Simplify right side
    112,109.35x = 5,582,954,805.04
  5. Step 5: Solve for x
    x = 5,582,954,805.04/112,109.35
  6. Step 6: Final answer
    x = 49,799.19

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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.