Home / 104,205.21-156,307.33-25,319.64

Finding the Fourth Proportional to 104,205.21, 156,307.33 and 25,319.64

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Solution

The fourth proportional to 104,205.21, 156,307.33 and 25,319.64 is: 37,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,205.21 : 156,307.33 = 25,319.64 : x
  2. Step 2: Convert to fraction form
    104,205.21/156,307.33 = 25,319.64/x
  3. Step 3: Cross multiply
    104,205.21x = 156,307.33 × 25,319.64
  4. Step 4: Simplify right side
    104,205.21x = 3,957,645,324.96
  5. Step 5: Solve for x
    x = 3,957,645,324.96/104,205.21
  6. Step 6: Final answer
    x = 37,979.34

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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.