Home / 269,840.19-372,372.03-148,979.28

Finding the Fourth Proportional to 269,840.19, 372,372.03 and 148,979.28

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Solution

The fourth proportional to 269,840.19, 372,372.03 and 148,979.28 is: 205,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,840.19 : 372,372.03 = 148,979.28 : x
  2. Step 2: Convert to fraction form
    269,840.19/372,372.03 = 148,979.28/x
  3. Step 3: Cross multiply
    269,840.19x = 372,372.03 × 148,979.28
  4. Step 4: Simplify right side
    269,840.19x = 55,475,716,921.54
  5. Step 5: Solve for x
    x = 55,475,716,921.54/269,840.19
  6. Step 6: Final answer
    x = 205,587.30

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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.