Home / 516,136.42-774,204.34-161,180.86

Finding the Fourth Proportional to 516,136.42, 774,204.34 and 161,180.86

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Solution

The fourth proportional to 516,136.42, 774,204.34 and 161,180.86 is: 241,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,136.42 : 774,204.34 = 161,180.86 : x
  2. Step 2: Convert to fraction form
    516,136.42/774,204.34 = 161,180.86/x
  3. Step 3: Cross multiply
    516,136.42x = 774,204.34 × 161,180.86
  4. Step 4: Simplify right side
    516,136.42x = 124,786,921,336.93
  5. Step 5: Solve for x
    x = 124,786,921,336.93/516,136.42
  6. Step 6: Final answer
    x = 241,771.20

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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.