Home / 194,898.78-292,367.25-81,023.04

Finding the Fourth Proportional to 194,898.78, 292,367.25 and 81,023.04

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Solution

The fourth proportional to 194,898.78, 292,367.25 and 81,023.04 is: 121,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,898.78 : 292,367.25 = 81,023.04 : x
  2. Step 2: Convert to fraction form
    194,898.78/292,367.25 = 81,023.04/x
  3. Step 3: Cross multiply
    194,898.78x = 292,367.25 × 81,023.04
  4. Step 4: Simplify right side
    194,898.78x = 23,688,483,391.44
  5. Step 5: Solve for x
    x = 23,688,483,391.44/194,898.78
  6. Step 6: Final answer
    x = 121,542.49

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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.