Home / 187,396.47-258,606.68-102,513.33

Finding the Fourth Proportional to 187,396.47, 258,606.68 and 102,513.33

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Solution

The fourth proportional to 187,396.47, 258,606.68 and 102,513.33 is: 141,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,396.47 : 258,606.68 = 102,513.33 : x
  2. Step 2: Convert to fraction form
    187,396.47/258,606.68 = 102,513.33/x
  3. Step 3: Cross multiply
    187,396.47x = 258,606.68 × 102,513.33
  4. Step 4: Simplify right side
    187,396.47x = 26,510,631,414.48
  5. Step 5: Solve for x
    x = 26,510,631,414.48/187,396.47
  6. Step 6: Final answer
    x = 141,468.15

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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.