Home / 131,954.33-182,121.35-75,365.70

Finding the Fourth Proportional to 131,954.33, 182,121.35 and 75,365.70

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Solution

The fourth proportional to 131,954.33, 182,121.35 and 75,365.70 is: 104,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,954.33 : 182,121.35 = 75,365.70 : x
  2. Step 2: Convert to fraction form
    131,954.33/182,121.35 = 75,365.70/x
  3. Step 3: Cross multiply
    131,954.33x = 182,121.35 × 75,365.70
  4. Step 4: Simplify right side
    131,954.33x = 13,725,702,650.87
  5. Step 5: Solve for x
    x = 13,725,702,650.87/131,954.33
  6. Step 6: Final answer
    x = 104,018.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.