Home / 170,786.07-235,698.26-99,188.55

Finding the Fourth Proportional to 170,786.07, 235,698.26 and 99,188.55

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Solution

The fourth proportional to 170,786.07, 235,698.26 and 99,188.55 is: 136,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,786.07 : 235,698.26 = 99,188.55 : x
  2. Step 2: Convert to fraction form
    170,786.07/235,698.26 = 99,188.55/x
  3. Step 3: Cross multiply
    170,786.07x = 235,698.26 × 99,188.55
  4. Step 4: Simplify right side
    170,786.07x = 23,378,568,150.98
  5. Step 5: Solve for x
    x = 23,378,568,150.98/170,786.07
  6. Step 6: Final answer
    x = 136,888.03

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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.