Home / 199,239.23-274,948.39-108,595.20

Finding the Fourth Proportional to 199,239.23, 274,948.39 and 108,595.20

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Solution

The fourth proportional to 199,239.23, 274,948.39 and 108,595.20 is: 149,860.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,239.23 : 274,948.39 = 108,595.20 : x
  2. Step 2: Convert to fraction form
    199,239.23/274,948.39 = 108,595.20/x
  3. Step 3: Cross multiply
    199,239.23x = 274,948.39 × 108,595.20
  4. Step 4: Simplify right side
    199,239.23x = 29,858,075,401.73
  5. Step 5: Solve for x
    x = 29,858,075,401.73/199,239.23
  6. Step 6: Final answer
    x = 149,860.42

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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.