Home / 398,516.64-597,906.19-161,795.76

Finding the Fourth Proportional to 398,516.64, 597,906.19 and 161,795.76

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Solution

The fourth proportional to 398,516.64, 597,906.19 and 161,795.76 is: 242,746.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,516.64 : 597,906.19 = 161,795.76 : x
  2. Step 2: Convert to fraction form
    398,516.64/597,906.19 = 161,795.76/x
  3. Step 3: Cross multiply
    398,516.64x = 597,906.19 × 161,795.76
  4. Step 4: Simplify right side
    398,516.64x = 96,738,684,379.85
  5. Step 5: Solve for x
    x = 96,738,684,379.85/398,516.64
  6. Step 6: Final answer
    x = 242,746.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.