Home / 187,655.82-258,983.51-107,095.47

Finding the Fourth Proportional to 187,655.82, 258,983.51 and 107,095.47

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Solution

The fourth proportional to 187,655.82, 258,983.51 and 107,095.47 is: 147,802.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,655.82 : 258,983.51 = 107,095.47 : x
  2. Step 2: Convert to fraction form
    187,655.82/258,983.51 = 107,095.47/x
  3. Step 3: Cross multiply
    187,655.82x = 258,983.51 × 107,095.47
  4. Step 4: Simplify right side
    187,655.82x = 27,735,960,725.70
  5. Step 5: Solve for x
    x = 27,735,960,725.70/187,655.82
  6. Step 6: Final answer
    x = 147,802.29

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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.