Home / 269,285.76-371,616.12-154,533.80

Finding the Fourth Proportional to 269,285.76, 371,616.12 and 154,533.80

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Solution

The fourth proportional to 269,285.76, 371,616.12 and 154,533.80 is: 213,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,285.76 : 371,616.12 = 154,533.80 : x
  2. Step 2: Convert to fraction form
    269,285.76/371,616.12 = 154,533.80/x
  3. Step 3: Cross multiply
    269,285.76x = 371,616.12 × 154,533.80
  4. Step 4: Simplify right side
    269,285.76x = 57,427,251,164.86
  5. Step 5: Solve for x
    x = 57,427,251,164.86/269,285.76
  6. Step 6: Final answer
    x = 213,257.66

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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.