Home / 199,926.70-275,905.22-109,280.68

Finding the Fourth Proportional to 199,926.70, 275,905.22 and 109,280.68

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Solution

The fourth proportional to 199,926.70, 275,905.22 and 109,280.68 is: 150,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,926.70 : 275,905.22 = 109,280.68 : x
  2. Step 2: Convert to fraction form
    199,926.70/275,905.22 = 109,280.68/x
  3. Step 3: Cross multiply
    199,926.70x = 275,905.22 × 109,280.68
  4. Step 4: Simplify right side
    199,926.70x = 30,151,110,057.15
  5. Step 5: Solve for x
    x = 30,151,110,057.15/199,926.70
  6. Step 6: Final answer
    x = 150,810.82

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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.