Home / 104,288.58-156,431.25-25,402.68

Finding the Fourth Proportional to 104,288.58, 156,431.25 and 25,402.68

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Solution

The fourth proportional to 104,288.58, 156,431.25 and 25,402.68 is: 38,103.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,288.58 : 156,431.25 = 25,402.68 : x
  2. Step 2: Convert to fraction form
    104,288.58/156,431.25 = 25,402.68/x
  3. Step 3: Cross multiply
    104,288.58x = 156,431.25 × 25,402.68
  4. Step 4: Simplify right side
    104,288.58x = 3,973,772,985.75
  5. Step 5: Solve for x
    x = 3,973,772,985.75/104,288.58
  6. Step 6: Final answer
    x = 38,103.63

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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.