Home / 213,118.68-294,103.17-117,624.69

Finding the Fourth Proportional to 213,118.68, 294,103.17 and 117,624.69

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Solution

The fourth proportional to 213,118.68, 294,103.17 and 117,624.69 is: 162,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,118.68 : 294,103.17 = 117,624.69 : x
  2. Step 2: Convert to fraction form
    213,118.68/294,103.17 = 117,624.69/x
  3. Step 3: Cross multiply
    213,118.68x = 294,103.17 × 117,624.69
  4. Step 4: Simplify right side
    213,118.68x = 34,593,794,199.27
  5. Step 5: Solve for x
    x = 34,593,794,199.27/213,118.68
  6. Step 6: Final answer
    x = 162,321.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.