Home / 187,443.53-258,665.64-106,896.98

Finding the Fourth Proportional to 187,443.53, 258,665.64 and 106,896.98

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Solution

The fourth proportional to 187,443.53, 258,665.64 and 106,896.98 is: 147,514.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,443.53 : 258,665.64 = 106,896.98 : x
  2. Step 2: Convert to fraction form
    187,443.53/258,665.64 = 106,896.98/x
  3. Step 3: Cross multiply
    187,443.53x = 258,665.64 × 106,896.98
  4. Step 4: Simplify right side
    187,443.53x = 27,650,575,991.57
  5. Step 5: Solve for x
    x = 27,650,575,991.57/187,443.53
  6. Step 6: Final answer
    x = 147,514.17

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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.