Home / 187,243.46-258,396.10-102,360.59

Finding the Fourth Proportional to 187,243.46, 258,396.10 and 102,360.59

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Solution

The fourth proportional to 187,243.46, 258,396.10 and 102,360.59 is: 141,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,243.46 : 258,396.10 = 102,360.59 : x
  2. Step 2: Convert to fraction form
    187,243.46/258,396.10 = 102,360.59/x
  3. Step 3: Cross multiply
    187,243.46x = 258,396.10 × 102,360.59
  4. Step 4: Simplify right side
    187,243.46x = 26,449,575,701.82
  5. Step 5: Solve for x
    x = 26,449,575,701.82/187,243.46
  6. Step 6: Final answer
    x = 141,257.68

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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.