Home / 170,556.07-235,338.01-109,355.78

Finding the Fourth Proportional to 170,556.07, 235,338.01 and 109,355.78

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Solution

The fourth proportional to 170,556.07, 235,338.01 and 109,355.78 is: 150,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,556.07 : 235,338.01 = 109,355.78 : x
  2. Step 2: Convert to fraction form
    170,556.07/235,338.01 = 109,355.78/x
  3. Step 3: Cross multiply
    170,556.07x = 235,338.01 × 109,355.78
  4. Step 4: Simplify right side
    170,556.07x = 25,735,571,647.20
  5. Step 5: Solve for x
    x = 25,735,571,647.20/170,556.07
  6. Step 6: Final answer
    x = 150,892.15

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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.