Home / 327,312.12-451,683.63-189,496.85

Finding the Fourth Proportional to 327,312.12, 451,683.63 and 189,496.85

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Solution

The fourth proportional to 327,312.12, 451,683.63 and 189,496.85 is: 261,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,312.12 : 451,683.63 = 189,496.85 : x
  2. Step 2: Convert to fraction form
    327,312.12/451,683.63 = 189,496.85/x
  3. Step 3: Cross multiply
    327,312.12x = 451,683.63 × 189,496.85
  4. Step 4: Simplify right side
    327,312.12x = 85,592,624,516.96
  5. Step 5: Solve for x
    x = 85,592,624,516.96/327,312.12
  6. Step 6: Final answer
    x = 261,501.55

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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.