Home / 174,979.28-262,576.44-80,192.72

Finding the Fourth Proportional to 174,979.28, 262,576.44 and 80,192.72

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Solution

The fourth proportional to 174,979.28, 262,576.44 and 80,192.72 is: 120,338.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,979.28 : 262,576.44 = 80,192.72 : x
  2. Step 2: Convert to fraction form
    174,979.28/262,576.44 = 80,192.72/x
  3. Step 3: Cross multiply
    174,979.28x = 262,576.44 × 80,192.72
  4. Step 4: Simplify right side
    174,979.28x = 21,056,718,931.52
  5. Step 5: Solve for x
    x = 21,056,718,931.52/174,979.28
  6. Step 6: Final answer
    x = 120,338.36

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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.