Home / 175,149.60-262,816.20-80,408.40

Finding the Fourth Proportional to 175,149.60, 262,816.20 and 80,408.40

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Solution

The fourth proportional to 175,149.60, 262,816.20 and 80,408.40 is: 120,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,149.60 : 262,816.20 = 80,408.40 : x
  2. Step 2: Convert to fraction form
    175,149.60/262,816.20 = 80,408.40/x
  3. Step 3: Cross multiply
    175,149.60x = 262,816.20 × 80,408.40
  4. Step 4: Simplify right side
    175,149.60x = 21,132,630,136.08
  5. Step 5: Solve for x
    x = 21,132,630,136.08/175,149.60
  6. Step 6: Final answer
    x = 120,654.74

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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.