Home / 292,067.43-438,117.09-92,372.91

Finding the Fourth Proportional to 292,067.43, 438,117.09 and 92,372.91

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Solution

The fourth proportional to 292,067.43, 438,117.09 and 92,372.91 is: 138,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,067.43 : 438,117.09 = 92,372.91 : x
  2. Step 2: Convert to fraction form
    292,067.43/438,117.09 = 92,372.91/x
  3. Step 3: Cross multiply
    292,067.43x = 438,117.09 × 92,372.91
  4. Step 4: Simplify right side
    292,067.43x = 40,470,150,524.03
  5. Step 5: Solve for x
    x = 40,470,150,524.03/292,067.43
  6. Step 6: Final answer
    x = 138,564.41

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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.