Home / 158,743.44-219,058.92-87,123.60

Finding the Fourth Proportional to 158,743.44, 219,058.92 and 87,123.60

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Solution

The fourth proportional to 158,743.44, 219,058.92 and 87,123.60 is: 120,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,743.44 : 219,058.92 = 87,123.60 : x
  2. Step 2: Convert to fraction form
    158,743.44/219,058.92 = 87,123.60/x
  3. Step 3: Cross multiply
    158,743.44x = 219,058.92 × 87,123.60
  4. Step 4: Simplify right side
    158,743.44x = 19,085,201,722.51
  5. Step 5: Solve for x
    x = 19,085,201,722.51/158,743.44
  6. Step 6: Final answer
    x = 120,226.71

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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.