Home / 187,172.30-258,297.81-106,607.33

Finding the Fourth Proportional to 187,172.30, 258,297.81 and 106,607.33

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Solution

The fourth proportional to 187,172.30, 258,297.81 and 106,607.33 is: 147,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,172.30 : 258,297.81 = 106,607.33 : x
  2. Step 2: Convert to fraction form
    187,172.30/258,297.81 = 106,607.33/x
  3. Step 3: Cross multiply
    187,172.30x = 258,297.81 × 106,607.33
  4. Step 4: Simplify right side
    187,172.30x = 27,536,438,044.42
  5. Step 5: Solve for x
    x = 27,536,438,044.42/187,172.30
  6. Step 6: Final answer
    x = 147,118.13

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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.