Home / 104,616.90-156,913.20-29,748.60

Finding the Fourth Proportional to 104,616.90, 156,913.20 and 29,748.60

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Solution

The fourth proportional to 104,616.90, 156,913.20 and 29,748.60 is: 44,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,616.90 : 156,913.20 = 29,748.60 : x
  2. Step 2: Convert to fraction form
    104,616.90/156,913.20 = 29,748.60/x
  3. Step 3: Cross multiply
    104,616.90x = 156,913.20 × 29,748.60
  4. Step 4: Simplify right side
    104,616.90x = 4,667,948,021.52
  5. Step 5: Solve for x
    x = 4,667,948,021.52/104,616.90
  6. Step 6: Final answer
    x = 44,619.45

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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.