Home / 362,475.18-500,221.92-199,138.56

Finding the Fourth Proportional to 362,475.18, 500,221.92 and 199,138.56

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Solution

The fourth proportional to 362,475.18, 500,221.92 and 199,138.56 is: 274,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,475.18 : 500,221.92 = 199,138.56 : x
  2. Step 2: Convert to fraction form
    362,475.18/500,221.92 = 199,138.56/x
  3. Step 3: Cross multiply
    362,475.18x = 500,221.92 × 199,138.56
  4. Step 4: Simplify right side
    362,475.18x = 99,613,472,829.24
  5. Step 5: Solve for x
    x = 99,613,472,829.24/362,475.18
  6. Step 6: Final answer
    x = 274,814.60

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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.