Home / 187,983.48-259,165.98-149,349.36

Finding the Fourth Proportional to 187,983.48, 259,165.98 and 149,349.36

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Solution

The fourth proportional to 187,983.48, 259,165.98 and 149,349.36 is: 205,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,983.48 : 259,165.98 = 149,349.36 : x
  2. Step 2: Convert to fraction form
    187,983.48/259,165.98 = 149,349.36/x
  3. Step 3: Cross multiply
    187,983.48x = 259,165.98 × 149,349.36
  4. Step 4: Simplify right side
    187,983.48x = 38,706,273,246.77
  5. Step 5: Solve for x
    x = 38,706,273,246.77/187,983.48
  6. Step 6: Final answer
    x = 205,902.53

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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.