Home / 187,675.38-258,989.54-102,792.51

Finding the Fourth Proportional to 187,675.38, 258,989.54 and 102,792.51

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Solution

The fourth proportional to 187,675.38, 258,989.54 and 102,792.51 is: 141,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,675.38 : 258,989.54 = 102,792.51 : x
  2. Step 2: Convert to fraction form
    187,675.38/258,989.54 = 102,792.51/x
  3. Step 3: Cross multiply
    187,675.38x = 258,989.54 × 102,792.51
  4. Step 4: Simplify right side
    187,675.38x = 26,622,184,366.38
  5. Step 5: Solve for x
    x = 26,622,184,366.38/187,675.38
  6. Step 6: Final answer
    x = 141,852.30

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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.