Home / 150,559.26-207,756.81-86,917.56

Finding the Fourth Proportional to 150,559.26, 207,756.81 and 86,917.56

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Solution

The fourth proportional to 150,559.26, 207,756.81 and 86,917.56 is: 119,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,559.26 : 207,756.81 = 86,917.56 : x
  2. Step 2: Convert to fraction form
    150,559.26/207,756.81 = 86,917.56/x
  3. Step 3: Cross multiply
    150,559.26x = 207,756.81 × 86,917.56
  4. Step 4: Simplify right side
    150,559.26x = 18,057,714,998.58
  5. Step 5: Solve for x
    x = 18,057,714,998.58/150,559.26
  6. Step 6: Final answer
    x = 119,937.59

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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.