Home / 436,613.22-654,919.83-156,113.46

Finding the Fourth Proportional to 436,613.22, 654,919.83 and 156,113.46

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Solution

The fourth proportional to 436,613.22, 654,919.83 and 156,113.46 is: 234,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,613.22 : 654,919.83 = 156,113.46 : x
  2. Step 2: Convert to fraction form
    436,613.22/654,919.83 = 156,113.46/x
  3. Step 3: Cross multiply
    436,613.22x = 654,919.83 × 156,113.46
  4. Step 4: Simplify right side
    436,613.22x = 102,241,800,683.91
  5. Step 5: Solve for x
    x = 102,241,800,683.91/436,613.22
  6. Step 6: Final answer
    x = 234,170.19

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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.