Home / 292,358.22-438,583.05-123,878.94

Finding the Fourth Proportional to 292,358.22, 438,583.05 and 123,878.94

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Solution

The fourth proportional to 292,358.22, 438,583.05 and 123,878.94 is: 185,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,358.22 : 438,583.05 = 123,878.94 : x
  2. Step 2: Convert to fraction form
    292,358.22/438,583.05 = 123,878.94/x
  3. Step 3: Cross multiply
    292,358.22x = 438,583.05 × 123,878.94
  4. Step 4: Simplify right side
    292,358.22x = 54,331,203,335.97
  5. Step 5: Solve for x
    x = 54,331,203,335.97/292,358.22
  6. Step 6: Final answer
    x = 185,837.78

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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.