Home / 327,316.45-451,689.60-189,501.17

Finding the Fourth Proportional to 327,316.45, 451,689.60 and 189,501.17

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Solution

The fourth proportional to 327,316.45, 451,689.60 and 189,501.17 is: 261,507.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,316.45 : 451,689.60 = 189,501.17 : x
  2. Step 2: Convert to fraction form
    327,316.45/451,689.60 = 189,501.17/x
  3. Step 3: Cross multiply
    327,316.45x = 451,689.60 × 189,501.17
  4. Step 4: Simplify right side
    327,316.45x = 85,595,707,676.83
  5. Step 5: Solve for x
    x = 85,595,707,676.83/327,316.45
  6. Step 6: Final answer
    x = 261,507.50

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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.