Home / 199,864.02-275,811.78-109,220.56

Finding the Fourth Proportional to 199,864.02, 275,811.78 and 109,220.56

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Solution

The fourth proportional to 199,864.02, 275,811.78 and 109,220.56 is: 150,724.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,864.02 : 275,811.78 = 109,220.56 : x
  2. Step 2: Convert to fraction form
    199,864.02/275,811.78 = 109,220.56/x
  3. Step 3: Cross multiply
    199,864.02x = 275,811.78 × 109,220.56
  4. Step 4: Simplify right side
    199,864.02x = 30,124,317,066.20
  5. Step 5: Solve for x
    x = 30,124,317,066.20/199,864.02
  6. Step 6: Final answer
    x = 150,724.06

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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.