Home / 135,206.03-202,631.56-99,500.15

Finding the Fourth Proportional to 135,206.03, 202,631.56 and 99,500.15

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Solution

The fourth proportional to 135,206.03, 202,631.56 and 99,500.15 is: 149,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,206.03 : 202,631.56 = 99,500.15 : x
  2. Step 2: Convert to fraction form
    135,206.03/202,631.56 = 99,500.15/x
  3. Step 3: Cross multiply
    135,206.03x = 202,631.56 × 99,500.15
  4. Step 4: Simplify right side
    135,206.03x = 20,161,870,872.56
  5. Step 5: Solve for x
    x = 20,161,870,872.56/135,206.03
  6. Step 6: Final answer
    x = 149,119.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.