Home / 150,731.96-208,012.72-82,755.26

Finding the Fourth Proportional to 150,731.96, 208,012.72 and 82,755.26

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Solution

The fourth proportional to 150,731.96, 208,012.72 and 82,755.26 is: 114,203.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,731.96 : 208,012.72 = 82,755.26 : x
  2. Step 2: Convert to fraction form
    150,731.96/208,012.72 = 82,755.26/x
  3. Step 3: Cross multiply
    150,731.96x = 208,012.72 × 82,755.26
  4. Step 4: Simplify right side
    150,731.96x = 17,214,146,726.91
  5. Step 5: Solve for x
    x = 17,214,146,726.91/150,731.96
  6. Step 6: Final answer
    x = 114,203.69

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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.