Home / 373,986.42-516,103.16-204,220.56

Finding the Fourth Proportional to 373,986.42, 516,103.16 and 204,220.56

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Solution

The fourth proportional to 373,986.42, 516,103.16 and 204,220.56 is: 281,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,986.42 : 516,103.16 = 204,220.56 : x
  2. Step 2: Convert to fraction form
    373,986.42/516,103.16 = 204,220.56/x
  3. Step 3: Cross multiply
    373,986.42x = 516,103.16 × 204,220.56
  4. Step 4: Simplify right side
    373,986.42x = 105,398,875,331.87
  5. Step 5: Solve for x
    x = 105,398,875,331.87/373,986.42
  6. Step 6: Final answer
    x = 281,825.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.