Home / 112,109.50-168,159.38-27,867.88

Finding the Fourth Proportional to 112,109.50, 168,159.38 and 27,867.88

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Solution

The fourth proportional to 112,109.50, 168,159.38 and 27,867.88 is: 41,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,109.50 : 168,159.38 = 27,867.88 : x
  2. Step 2: Convert to fraction form
    112,109.50/168,159.38 = 27,867.88/x
  3. Step 3: Cross multiply
    112,109.50x = 168,159.38 × 27,867.88
  4. Step 4: Simplify right side
    112,109.50x = 4,686,245,422.71
  5. Step 5: Solve for x
    x = 4,686,245,422.71/112,109.50
  6. Step 6: Final answer
    x = 41,800.61

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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.