Home / 305,050.44-420,827.22-191,935.56

Finding the Fourth Proportional to 305,050.44, 420,827.22 and 191,935.56

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Solution

The fourth proportional to 305,050.44, 420,827.22 and 191,935.56 is: 264,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,050.44 : 420,827.22 = 191,935.56 : x
  2. Step 2: Convert to fraction form
    305,050.44/420,827.22 = 191,935.56/x
  3. Step 3: Cross multiply
    305,050.44x = 420,827.22 × 191,935.56
  4. Step 4: Simplify right side
    305,050.44x = 80,771,708,133.94
  5. Step 5: Solve for x
    x = 80,771,708,133.94/305,050.44
  6. Step 6: Final answer
    x = 264,781.48

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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.