Home / 163,930.46-226,221.81-92,311.34

Finding the Fourth Proportional to 163,930.46, 226,221.81 and 92,311.34

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Solution

The fourth proportional to 163,930.46, 226,221.81 and 92,311.34 is: 127,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,930.46 : 226,221.81 = 92,311.34 : x
  2. Step 2: Convert to fraction form
    163,930.46/226,221.81 = 92,311.34/x
  3. Step 3: Cross multiply
    163,930.46x = 226,221.81 × 92,311.34
  4. Step 4: Simplify right side
    163,930.46x = 20,882,838,418.33
  5. Step 5: Solve for x
    x = 20,882,838,418.33/163,930.46
  6. Step 6: Final answer
    x = 127,388.40

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1.5x scale

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.