Home / 187,058.40-258,076.56-106,465.74

Finding the Fourth Proportional to 187,058.40, 258,076.56 and 106,465.74

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Solution

The fourth proportional to 187,058.40, 258,076.56 and 106,465.74 is: 146,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,058.40 : 258,076.56 = 106,465.74 : x
  2. Step 2: Convert to fraction form
    187,058.40/258,076.56 = 106,465.74/x
  3. Step 3: Cross multiply
    187,058.40x = 258,076.56 × 106,465.74
  4. Step 4: Simplify right side
    187,058.40x = 27,476,311,937.05
  5. Step 5: Solve for x
    x = 27,476,311,937.05/187,058.40
  6. Step 6: Final answer
    x = 146,886.28

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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.