Home / 220,767.49-331,200.62-80,526.12

Finding the Fourth Proportional to 220,767.49, 331,200.62 and 80,526.12

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Solution

The fourth proportional to 220,767.49, 331,200.62 and 80,526.12 is: 120,807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,767.49 : 331,200.62 = 80,526.12 : x
  2. Step 2: Convert to fraction form
    220,767.49/331,200.62 = 80,526.12/x
  3. Step 3: Cross multiply
    220,767.49x = 331,200.62 × 80,526.12
  4. Step 4: Simplify right side
    220,767.49x = 26,670,300,870.19
  5. Step 5: Solve for x
    x = 26,670,300,870.19/220,767.49
  6. Step 6: Final answer
    x = 120,807.19

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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.