Home / 104,078.64-156,118.36-25,192.74

Finding the Fourth Proportional to 104,078.64, 156,118.36 and 25,192.74

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Solution

The fourth proportional to 104,078.64, 156,118.36 and 25,192.74 is: 37,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,078.64 : 156,118.36 = 25,192.74 : x
  2. Step 2: Convert to fraction form
    104,078.64/156,118.36 = 25,192.74/x
  3. Step 3: Cross multiply
    104,078.64x = 156,118.36 × 25,192.74
  4. Step 4: Simplify right side
    104,078.64x = 3,933,048,409.13
  5. Step 5: Solve for x
    x = 3,933,048,409.13/104,078.64
  6. Step 6: Final answer
    x = 37,789.20

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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.