Home / 133,821.12-200,731.47-73,846.70

Finding the Fourth Proportional to 133,821.12, 200,731.47 and 73,846.70

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Solution

The fourth proportional to 133,821.12, 200,731.47 and 73,846.70 is: 110,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,821.12 : 200,731.47 = 73,846.70 : x
  2. Step 2: Convert to fraction form
    133,821.12/200,731.47 = 73,846.70/x
  3. Step 3: Cross multiply
    133,821.12x = 200,731.47 × 73,846.70
  4. Step 4: Simplify right side
    133,821.12x = 14,823,356,645.65
  5. Step 5: Solve for x
    x = 14,823,356,645.65/133,821.12
  6. Step 6: Final answer
    x = 110,769.93

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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.