Home / 146,058.31-219,085.19-74,939.91

Finding the Fourth Proportional to 146,058.31, 219,085.19 and 74,939.91

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Solution

The fourth proportional to 146,058.31, 219,085.19 and 74,939.91 is: 112,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,058.31 : 219,085.19 = 74,939.91 : x
  2. Step 2: Convert to fraction form
    146,058.31/219,085.19 = 74,939.91/x
  3. Step 3: Cross multiply
    146,058.31x = 219,085.19 × 74,939.91
  4. Step 4: Simplify right side
    146,058.31x = 16,418,223,505.69
  5. Step 5: Solve for x
    x = 16,418,223,505.69/146,058.31
  6. Step 6: Final answer
    x = 112,408.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.