Home / 150,942.65-208,305.86-82,962.05

Finding the Fourth Proportional to 150,942.65, 208,305.86 and 82,962.05

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Solution

The fourth proportional to 150,942.65, 208,305.86 and 82,962.05 is: 114,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,942.65 : 208,305.86 = 82,962.05 : x
  2. Step 2: Convert to fraction form
    150,942.65/208,305.86 = 82,962.05/x
  3. Step 3: Cross multiply
    150,942.65x = 208,305.86 × 82,962.05
  4. Step 4: Simplify right side
    150,942.65x = 17,281,479,716.27
  5. Step 5: Solve for x
    x = 17,281,479,716.27/150,942.65
  6. Step 6: Final answer
    x = 114,490.37

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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.