Home / 199,943.22-275,921.70-109,299.58

Finding the Fourth Proportional to 199,943.22, 275,921.70 and 109,299.58

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Solution

The fourth proportional to 199,943.22, 275,921.70 and 109,299.58 is: 150,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,943.22 : 275,921.70 = 109,299.58 : x
  2. Step 2: Convert to fraction form
    199,943.22/275,921.70 = 109,299.58/x
  3. Step 3: Cross multiply
    199,943.22x = 275,921.70 × 109,299.58
  4. Step 4: Simplify right side
    199,943.22x = 30,158,125,922.89
  5. Step 5: Solve for x
    x = 30,158,125,922.89/199,943.22
  6. Step 6: Final answer
    x = 150,833.45

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1.5x scale

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.