Home / 131,634.51-197,272.85-55,669.91

Finding the Fourth Proportional to 131,634.51, 197,272.85 and 55,669.91

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Solution

The fourth proportional to 131,634.51, 197,272.85 and 55,669.91 is: 83,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,634.51 : 197,272.85 = 55,669.91 : x
  2. Step 2: Convert to fraction form
    131,634.51/197,272.85 = 55,669.91/x
  3. Step 3: Cross multiply
    131,634.51x = 197,272.85 × 55,669.91
  4. Step 4: Simplify right side
    131,634.51x = 10,982,160,540.23
  5. Step 5: Solve for x
    x = 10,982,160,540.23/131,634.51
  6. Step 6: Final answer
    x = 83,429.19

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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.