Home / 104,650.72-156,974.64-25,765.60

Finding the Fourth Proportional to 104,650.72, 156,974.64 and 25,765.60

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Solution

The fourth proportional to 104,650.72, 156,974.64 and 25,765.60 is: 38,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,650.72 : 156,974.64 = 25,765.60 : x
  2. Step 2: Convert to fraction form
    104,650.72/156,974.64 = 25,765.60/x
  3. Step 3: Cross multiply
    104,650.72x = 156,974.64 × 25,765.60
  4. Step 4: Simplify right side
    104,650.72x = 4,044,545,784.38
  5. Step 5: Solve for x
    x = 4,044,545,784.38/104,650.72
  6. Step 6: Final answer
    x = 38,648.05

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1.5x scale

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.