Home / 199,550.09-275,342.86-117,891.64

Finding the Fourth Proportional to 199,550.09, 275,342.86 and 117,891.64

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Solution

The fourth proportional to 199,550.09, 275,342.86 and 117,891.64 is: 162,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,550.09 : 275,342.86 = 117,891.64 : x
  2. Step 2: Convert to fraction form
    199,550.09/275,342.86 = 117,891.64/x
  3. Step 3: Cross multiply
    199,550.09x = 275,342.86 × 117,891.64
  4. Step 4: Simplify right side
    199,550.09x = 32,460,621,327.69
  5. Step 5: Solve for x
    x = 32,460,621,327.69/199,550.09
  6. Step 6: Final answer
    x = 162,669.04

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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.