Home / 130,816.20-196,244.15-55,936.56

Finding the Fourth Proportional to 130,816.20, 196,244.15 and 55,936.56

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Solution

The fourth proportional to 130,816.20, 196,244.15 and 55,936.56 is: 83,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,816.20 : 196,244.15 = 55,936.56 : x
  2. Step 2: Convert to fraction form
    130,816.20/196,244.15 = 55,936.56/x
  3. Step 3: Cross multiply
    130,816.20x = 196,244.15 × 55,936.56
  4. Step 4: Simplify right side
    130,816.20x = 10,977,222,671.12
  5. Step 5: Solve for x
    x = 10,977,222,671.12/130,816.20
  6. Step 6: Final answer
    x = 83,913.33

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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.