Home / 199,870.24-275,817.60-109,224.20

Finding the Fourth Proportional to 199,870.24, 275,817.60 and 109,224.20

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Solution

The fourth proportional to 199,870.24, 275,817.60 and 109,224.20 is: 150,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,870.24 : 275,817.60 = 109,224.20 : x
  2. Step 2: Convert to fraction form
    199,870.24/275,817.60 = 109,224.20/x
  3. Step 3: Cross multiply
    199,870.24x = 275,817.60 × 109,224.20
  4. Step 4: Simplify right side
    199,870.24x = 30,125,956,705.92
  5. Step 5: Solve for x
    x = 30,125,956,705.92/199,870.24
  6. Step 6: Final answer
    x = 150,727.58

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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.