Home / 187,259.49-258,418.13-102,376.58

Finding the Fourth Proportional to 187,259.49, 258,418.13 and 102,376.58

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Solution

The fourth proportional to 187,259.49, 258,418.13 and 102,376.58 is: 141,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,259.49 : 258,418.13 = 102,376.58 : x
  2. Step 2: Convert to fraction form
    187,259.49/258,418.13 = 102,376.58/x
  3. Step 3: Cross multiply
    187,259.49x = 258,418.13 × 102,376.58
  4. Step 4: Simplify right side
    187,259.49x = 26,455,962,555.42
  5. Step 5: Solve for x
    x = 26,455,962,555.42/187,259.49
  6. Step 6: Final answer
    x = 141,279.69

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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.