Home / 128,996.26-193,506.60-50,116.56

Finding the Fourth Proportional to 128,996.26, 193,506.60 and 50,116.56

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Solution

The fourth proportional to 128,996.26, 193,506.60 and 50,116.56 is: 75,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,996.26 : 193,506.60 = 50,116.56 : x
  2. Step 2: Convert to fraction form
    128,996.26/193,506.60 = 50,116.56/x
  3. Step 3: Cross multiply
    128,996.26x = 193,506.60 × 50,116.56
  4. Step 4: Simplify right side
    128,996.26x = 9,697,885,129.30
  5. Step 5: Solve for x
    x = 9,697,885,129.30/128,996.26
  6. Step 6: Final answer
    x = 75,179.58

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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.