Home / 327,271.78-451,641.18-191,317.33

Finding the Fourth Proportional to 327,271.78, 451,641.18 and 191,317.33

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Solution

The fourth proportional to 327,271.78, 451,641.18 and 191,317.33 is: 264,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,271.78 : 451,641.18 = 191,317.33 : x
  2. Step 2: Convert to fraction form
    327,271.78/451,641.18 = 191,317.33/x
  3. Step 3: Cross multiply
    327,271.78x = 451,641.18 × 191,317.33
  4. Step 4: Simplify right side
    327,271.78x = 86,406,784,675.65
  5. Step 5: Solve for x
    x = 86,406,784,675.65/327,271.78
  6. Step 6: Final answer
    x = 264,021.50

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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.