Home / 338,414.04-507,636.12-188,540.76

Finding the Fourth Proportional to 338,414.04, 507,636.12 and 188,540.76

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Solution

The fourth proportional to 338,414.04, 507,636.12 and 188,540.76 is: 282,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,414.04 : 507,636.12 = 188,540.76 : x
  2. Step 2: Convert to fraction form
    338,414.04/507,636.12 = 188,540.76/x
  3. Step 3: Cross multiply
    338,414.04x = 507,636.12 × 188,540.76
  4. Step 4: Simplify right side
    338,414.04x = 95,710,099,868.25
  5. Step 5: Solve for x
    x = 95,710,099,868.25/338,414.04
  6. Step 6: Final answer
    x = 282,819.53

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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.