Home / 79,228.92-118,842.24-19,257.84

Finding the Fourth Proportional to 79,228.92, 118,842.24 and 19,257.84

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Solution

The fourth proportional to 79,228.92, 118,842.24 and 19,257.84 is: 28,886.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,228.92 : 118,842.24 = 19,257.84 : x
  2. Step 2: Convert to fraction form
    79,228.92/118,842.24 = 19,257.84/x
  3. Step 3: Cross multiply
    79,228.92x = 118,842.24 × 19,257.84
  4. Step 4: Simplify right side
    79,228.92x = 2,288,644,843.16
  5. Step 5: Solve for x
    x = 2,288,644,843.16/79,228.92
  6. Step 6: Final answer
    x = 28,886.48

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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.