Home / 202,338.27-279,183.50-117,409.77

Finding the Fourth Proportional to 202,338.27, 279,183.50 and 117,409.77

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Solution

The fourth proportional to 202,338.27, 279,183.50 and 117,409.77 is: 162,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,338.27 : 279,183.50 = 117,409.77 : x
  2. Step 2: Convert to fraction form
    202,338.27/279,183.50 = 117,409.77/x
  3. Step 3: Cross multiply
    202,338.27x = 279,183.50 × 117,409.77
  4. Step 4: Simplify right side
    202,338.27x = 32,778,869,935.75
  5. Step 5: Solve for x
    x = 32,778,869,935.75/202,338.27
  6. Step 6: Final answer
    x = 162,000.35

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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.