Home / 347,132.72-479,028.43-201,938.86

Finding the Fourth Proportional to 347,132.72, 479,028.43 and 201,938.86

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Solution

The fourth proportional to 347,132.72, 479,028.43 and 201,938.86 is: 278,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,132.72 : 479,028.43 = 201,938.86 : x
  2. Step 2: Convert to fraction form
    347,132.72/479,028.43 = 201,938.86/x
  3. Step 3: Cross multiply
    347,132.72x = 479,028.43 × 201,938.86
  4. Step 4: Simplify right side
    347,132.72x = 96,734,453,218.46
  5. Step 5: Solve for x
    x = 96,734,453,218.46/347,132.72
  6. Step 6: Final answer
    x = 278,667.05

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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.