Home / 187,563.42-258,837.52-102,680.48

Finding the Fourth Proportional to 187,563.42, 258,837.52 and 102,680.48

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Solution

The fourth proportional to 187,563.42, 258,837.52 and 102,680.48 is: 141,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,563.42 : 258,837.52 = 102,680.48 : x
  2. Step 2: Convert to fraction form
    187,563.42/258,837.52 = 102,680.48/x
  3. Step 3: Cross multiply
    187,563.42x = 258,837.52 × 102,680.48
  4. Step 4: Simplify right side
    187,563.42x = 26,577,560,795.61
  5. Step 5: Solve for x
    x = 26,577,560,795.61/187,563.42
  6. Step 6: Final answer
    x = 141,699.06

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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.