Home / 269,569.36-371,885.44-156,326.48

Finding the Fourth Proportional to 269,569.36, 371,885.44 and 156,326.48

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Solution

The fourth proportional to 269,569.36, 371,885.44 and 156,326.48 is: 215,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,569.36 : 371,885.44 = 156,326.48 : x
  2. Step 2: Convert to fraction form
    269,569.36/371,885.44 = 156,326.48/x
  3. Step 3: Cross multiply
    269,569.36x = 371,885.44 × 156,326.48
  4. Step 4: Simplify right side
    269,569.36x = 58,135,541,798.45
  5. Step 5: Solve for x
    x = 58,135,541,798.45/269,569.36
  6. Step 6: Final answer
    x = 215,660.79

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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.