Home / 187,669.84-258,974.68-102,770.52

Finding the Fourth Proportional to 187,669.84, 258,974.68 and 102,770.52

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Solution

The fourth proportional to 187,669.84, 258,974.68 and 102,770.52 is: 141,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,669.84 : 258,974.68 = 102,770.52 : x
  2. Step 2: Convert to fraction form
    187,669.84/258,974.68 = 102,770.52/x
  3. Step 3: Cross multiply
    187,669.84x = 258,974.68 × 102,770.52
  4. Step 4: Simplify right side
    187,669.84x = 26,614,962,530.43
  5. Step 5: Solve for x
    x = 26,614,962,530.43/187,669.84
  6. Step 6: Final answer
    x = 141,818.01

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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.