Home / 109,108.33-163,662.48-30,222.56

Finding the Fourth Proportional to 109,108.33, 163,662.48 and 30,222.56

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Solution

The fourth proportional to 109,108.33, 163,662.48 and 30,222.56 is: 45,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,108.33 : 163,662.48 = 30,222.56 : x
  2. Step 2: Convert to fraction form
    109,108.33/163,662.48 = 30,222.56/x
  3. Step 3: Cross multiply
    109,108.33x = 163,662.48 × 30,222.56
  4. Step 4: Simplify right side
    109,108.33x = 4,946,299,121.55
  5. Step 5: Solve for x
    x = 4,946,299,121.55/109,108.33
  6. Step 6: Final answer
    x = 45,333.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.