Home / 151,983.98-209,731.36-83,997.44

Finding the Fourth Proportional to 151,983.98, 209,731.36 and 83,997.44

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Solution

The fourth proportional to 151,983.98, 209,731.36 and 83,997.44 is: 115,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,983.98 : 209,731.36 = 83,997.44 : x
  2. Step 2: Convert to fraction form
    151,983.98/209,731.36 = 83,997.44/x
  3. Step 3: Cross multiply
    151,983.98x = 209,731.36 × 83,997.44
  4. Step 4: Simplify right side
    151,983.98x = 17,616,895,859.07
  5. Step 5: Solve for x
    x = 17,616,895,859.07/151,983.98
  6. Step 6: Final answer
    x = 115,912.85

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1.5x scale

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.