Home / 134,725.92-185,923.20-74,299.20

Finding the Fourth Proportional to 134,725.92, 185,923.20 and 74,299.20

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Solution

The fourth proportional to 134,725.92, 185,923.20 and 74,299.20 is: 102,533.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,725.92 : 185,923.20 = 74,299.20 : x
  2. Step 2: Convert to fraction form
    134,725.92/185,923.20 = 74,299.20/x
  3. Step 3: Cross multiply
    134,725.92x = 185,923.20 × 74,299.20
  4. Step 4: Simplify right side
    134,725.92x = 13,813,945,021.44
  5. Step 5: Solve for x
    x = 13,813,945,021.44/134,725.92
  6. Step 6: Final answer
    x = 102,533.68

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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.