Home / 133,198.60-183,439.86-130,295.56

Finding the Fourth Proportional to 133,198.60, 183,439.86 and 130,295.56

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Solution

The fourth proportional to 133,198.60, 183,439.86 and 130,295.56 is: 179,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,198.60 : 183,439.86 = 130,295.56 : x
  2. Step 2: Convert to fraction form
    133,198.60/183,439.86 = 130,295.56/x
  3. Step 3: Cross multiply
    133,198.60x = 183,439.86 × 130,295.56
  4. Step 4: Simplify right side
    133,198.60x = 23,901,399,285.02
  5. Step 5: Solve for x
    x = 23,901,399,285.02/133,198.60
  6. Step 6: Final answer
    x = 179,441.82

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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.