Home / 327,020.74-451,411.95-191,098.90

Finding the Fourth Proportional to 327,020.74, 451,411.95 and 191,098.90

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Solution

The fourth proportional to 327,020.74, 451,411.95 and 191,098.90 is: 263,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,020.74 : 451,411.95 = 191,098.90 : x
  2. Step 2: Convert to fraction form
    327,020.74/451,411.95 = 191,098.90/x
  3. Step 3: Cross multiply
    327,020.74x = 451,411.95 × 191,098.90
  4. Step 4: Simplify right side
    327,020.74x = 86,264,327,091.86
  5. Step 5: Solve for x
    x = 86,264,327,091.86/327,020.74
  6. Step 6: Final answer
    x = 263,788.55

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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.