Home / 117,160.05-175,556.07-90,571.26

Finding the Fourth Proportional to 117,160.05, 175,556.07 and 90,571.26

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Solution

The fourth proportional to 117,160.05, 175,556.07 and 90,571.26 is: 135,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,160.05 : 175,556.07 = 90,571.26 : x
  2. Step 2: Convert to fraction form
    117,160.05/175,556.07 = 90,571.26/x
  3. Step 3: Cross multiply
    117,160.05x = 175,556.07 × 90,571.26
  4. Step 4: Simplify right side
    117,160.05x = 15,900,334,460.55
  5. Step 5: Solve for x
    x = 15,900,334,460.55/117,160.05
  6. Step 6: Final answer
    x = 135,714.64

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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.