Home / 276,726.41-381,911.15-169,367.93

Finding the Fourth Proportional to 276,726.41, 381,911.15 and 169,367.93

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Solution

The fourth proportional to 276,726.41, 381,911.15 and 169,367.93 is: 233,745.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,726.41 : 381,911.15 = 169,367.93 : x
  2. Step 2: Convert to fraction form
    276,726.41/381,911.15 = 169,367.93/x
  3. Step 3: Cross multiply
    276,726.41x = 381,911.15 × 169,367.93
  4. Step 4: Simplify right side
    276,726.41x = 64,683,500,919.42
  5. Step 5: Solve for x
    x = 64,683,500,919.42/276,726.41
  6. Step 6: Final answer
    x = 233,745.31

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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.