Home / 236,985.75-355,508.19-108,871.29

Finding the Fourth Proportional to 236,985.75, 355,508.19 and 108,871.29

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Solution

The fourth proportional to 236,985.75, 355,508.19 and 108,871.29 is: 163,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,985.75 : 355,508.19 = 108,871.29 : x
  2. Step 2: Convert to fraction form
    236,985.75/355,508.19 = 108,871.29/x
  3. Step 3: Cross multiply
    236,985.75x = 355,508.19 × 108,871.29
  4. Step 4: Simplify right side
    236,985.75x = 38,704,635,250.87
  5. Step 5: Solve for x
    x = 38,704,635,250.87/236,985.75
  6. Step 6: Final answer
    x = 163,320.52

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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.