Home / 375,575.05-562,968.92-138,766.69

Finding the Fourth Proportional to 375,575.05, 562,968.92 and 138,766.69

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Solution

The fourth proportional to 375,575.05, 562,968.92 and 138,766.69 is: 208,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,575.05 : 562,968.92 = 138,766.69 : x
  2. Step 2: Convert to fraction form
    375,575.05/562,968.92 = 138,766.69/x
  3. Step 3: Cross multiply
    375,575.05x = 562,968.92 × 138,766.69
  4. Step 4: Simplify right side
    375,575.05x = 78,121,332,907.44
  5. Step 5: Solve for x
    x = 78,121,332,907.44/375,575.05
  6. Step 6: Final answer
    x = 208,004.59

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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.