Home / 174,042.13-261,137.64-72,863.83

Finding the Fourth Proportional to 174,042.13, 261,137.64 and 72,863.83

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Solution

The fourth proportional to 174,042.13, 261,137.64 and 72,863.83 is: 109,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,042.13 : 261,137.64 = 72,863.83 : x
  2. Step 2: Convert to fraction form
    174,042.13/261,137.64 = 72,863.83/x
  3. Step 3: Cross multiply
    174,042.13x = 261,137.64 × 72,863.83
  4. Step 4: Simplify right side
    174,042.13x = 19,027,488,607.56
  5. Step 5: Solve for x
    x = 19,027,488,607.56/174,042.13
  6. Step 6: Final answer
    x = 109,326.91

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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.