Home / 187,239.33-258,390.54-102,356.46

Finding the Fourth Proportional to 187,239.33, 258,390.54 and 102,356.46

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Solution

The fourth proportional to 187,239.33, 258,390.54 and 102,356.46 is: 141,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,239.33 : 258,390.54 = 102,356.46 : x
  2. Step 2: Convert to fraction form
    187,239.33/258,390.54 = 102,356.46/x
  3. Step 3: Cross multiply
    187,239.33x = 258,390.54 × 102,356.46
  4. Step 4: Simplify right side
    187,239.33x = 26,447,940,971.89
  5. Step 5: Solve for x
    x = 26,447,940,971.89/187,239.33
  6. Step 6: Final answer
    x = 141,252.06

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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.