Home / 199,653.15-275,521.92-109,009.90

Finding the Fourth Proportional to 199,653.15, 275,521.92 and 109,009.90

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Solution

The fourth proportional to 199,653.15, 275,521.92 and 109,009.90 is: 150,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,653.15 : 275,521.92 = 109,009.90 : x
  2. Step 2: Convert to fraction form
    199,653.15/275,521.92 = 109,009.90/x
  3. Step 3: Cross multiply
    199,653.15x = 275,521.92 × 109,009.90
  4. Step 4: Simplify right side
    199,653.15x = 30,034,615,569.40
  5. Step 5: Solve for x
    x = 30,034,615,569.40/199,653.15
  6. Step 6: Final answer
    x = 150,433.97

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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.