Home / 199,744.77-275,646.13-109,100.79

Finding the Fourth Proportional to 199,744.77, 275,646.13 and 109,100.79

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Solution

The fourth proportional to 199,744.77, 275,646.13 and 109,100.79 is: 150,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,744.77 : 275,646.13 = 109,100.79 : x
  2. Step 2: Convert to fraction form
    199,744.77/275,646.13 = 109,100.79/x
  3. Step 3: Cross multiply
    199,744.77x = 275,646.13 × 109,100.79
  4. Step 4: Simplify right side
    199,744.77x = 30,073,210,816.19
  5. Step 5: Solve for x
    x = 30,073,210,816.19/199,744.77
  6. Step 6: Final answer
    x = 150,558.19

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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.