Home / 187,266.38-258,427.62-102,383.46

Finding the Fourth Proportional to 187,266.38, 258,427.62 and 102,383.46

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Solution

The fourth proportional to 187,266.38, 258,427.62 and 102,383.46 is: 141,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,266.38 : 258,427.62 = 102,383.46 : x
  2. Step 2: Convert to fraction form
    187,266.38/258,427.62 = 102,383.46/x
  3. Step 3: Cross multiply
    187,266.38x = 258,427.62 × 102,383.46
  4. Step 4: Simplify right side
    187,266.38x = 26,458,713,895.17
  5. Step 5: Solve for x
    x = 26,458,713,895.17/187,266.38
  6. Step 6: Final answer
    x = 141,289.19

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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.