Home / 219,799.68-329,653.39-61,991.23

Finding the Fourth Proportional to 219,799.68, 329,653.39 and 61,991.23

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Solution

The fourth proportional to 219,799.68, 329,653.39 and 61,991.23 is: 92,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,799.68 : 329,653.39 = 61,991.23 : x
  2. Step 2: Convert to fraction form
    219,799.68/329,653.39 = 61,991.23/x
  3. Step 3: Cross multiply
    219,799.68x = 329,653.39 × 61,991.23
  4. Step 4: Simplify right side
    219,799.68x = 20,435,618,140.66
  5. Step 5: Solve for x
    x = 20,435,618,140.66/219,799.68
  6. Step 6: Final answer
    x = 92,973.83

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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.