Home / 147,542.64-203,601.24-80,461.68

Finding the Fourth Proportional to 147,542.64, 203,601.24 and 80,461.68

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Solution

The fourth proportional to 147,542.64, 203,601.24 and 80,461.68 is: 111,032.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,542.64 : 203,601.24 = 80,461.68 : x
  2. Step 2: Convert to fraction form
    147,542.64/203,601.24 = 80,461.68/x
  3. Step 3: Cross multiply
    147,542.64x = 203,601.24 × 80,461.68
  4. Step 4: Simplify right side
    147,542.64x = 16,382,097,820.48
  5. Step 5: Solve for x
    x = 16,382,097,820.48/147,542.64
  6. Step 6: Final answer
    x = 111,032.97

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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.