Home / 199,652.83-275,513.03-109,012.61

Finding the Fourth Proportional to 199,652.83, 275,513.03 and 109,012.61

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Solution

The fourth proportional to 199,652.83, 275,513.03 and 109,012.61 is: 150,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,652.83 : 275,513.03 = 109,012.61 : x
  2. Step 2: Convert to fraction form
    199,652.83/275,513.03 = 109,012.61/x
  3. Step 3: Cross multiply
    199,652.83x = 275,513.03 × 109,012.61
  4. Step 4: Simplify right side
    199,652.83x = 30,034,395,041.83
  5. Step 5: Solve for x
    x = 30,034,395,041.83/199,652.83
  6. Step 6: Final answer
    x = 150,433.11

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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.