Home / 318,136.20-477,207.60-93,500.64

Finding the Fourth Proportional to 318,136.20, 477,207.60 and 93,500.64

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Solution

The fourth proportional to 318,136.20, 477,207.60 and 93,500.64 is: 140,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,136.20 : 477,207.60 = 93,500.64 : x
  2. Step 2: Convert to fraction form
    318,136.20/477,207.60 = 93,500.64/x
  3. Step 3: Cross multiply
    318,136.20x = 477,207.60 × 93,500.64
  4. Step 4: Simplify right side
    318,136.20x = 44,619,216,012.86
  5. Step 5: Solve for x
    x = 44,619,216,012.86/318,136.20
  6. Step 6: Final answer
    x = 140,251.93

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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.