Home / 356,629.80-534,944.70-159,637.80

Finding the Fourth Proportional to 356,629.80, 534,944.70 and 159,637.80

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Solution

The fourth proportional to 356,629.80, 534,944.70 and 159,637.80 is: 239,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,629.80 : 534,944.70 = 159,637.80 : x
  2. Step 2: Convert to fraction form
    356,629.80/534,944.70 = 159,637.80/x
  3. Step 3: Cross multiply
    356,629.80x = 534,944.70 × 159,637.80
  4. Step 4: Simplify right side
    356,629.80x = 85,397,395,029.66
  5. Step 5: Solve for x
    x = 85,397,395,029.66/356,629.80
  6. Step 6: Final answer
    x = 239,456.70

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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.