Home / 163,939.92-226,232.66-92,318.40

Finding the Fourth Proportional to 163,939.92, 226,232.66 and 92,318.40

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Solution

The fourth proportional to 163,939.92, 226,232.66 and 92,318.40 is: 127,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,939.92 : 226,232.66 = 92,318.40 : x
  2. Step 2: Convert to fraction form
    163,939.92/226,232.66 = 92,318.40/x
  3. Step 3: Cross multiply
    163,939.92x = 226,232.66 × 92,318.40
  4. Step 4: Simplify right side
    163,939.92x = 20,885,436,737.35
  5. Step 5: Solve for x
    x = 20,885,436,737.35/163,939.92
  6. Step 6: Final answer
    x = 127,396.89

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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.