Home / 109,239.36-163,861.20-34,357.92

Finding the Fourth Proportional to 109,239.36, 163,861.20 and 34,357.92

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Solution

The fourth proportional to 109,239.36, 163,861.20 and 34,357.92 is: 51,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,239.36 : 163,861.20 = 34,357.92 : x
  2. Step 2: Convert to fraction form
    109,239.36/163,861.20 = 34,357.92/x
  3. Step 3: Cross multiply
    109,239.36x = 163,861.20 × 34,357.92
  4. Step 4: Simplify right side
    109,239.36x = 5,629,930,000.70
  5. Step 5: Solve for x
    x = 5,629,930,000.70/109,239.36
  6. Step 6: Final answer
    x = 51,537.56

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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.