Home / 202,256.08-279,092.32-117,356.72

Finding the Fourth Proportional to 202,256.08, 279,092.32 and 117,356.72

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Solution

The fourth proportional to 202,256.08, 279,092.32 and 117,356.72 is: 161,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,256.08 : 279,092.32 = 117,356.72 : x
  2. Step 2: Convert to fraction form
    202,256.08/279,092.32 = 117,356.72/x
  3. Step 3: Cross multiply
    202,256.08x = 279,092.32 × 117,356.72
  4. Step 4: Simplify right side
    202,256.08x = 32,753,359,252.39
  5. Step 5: Solve for x
    x = 32,753,359,252.39/202,256.08
  6. Step 6: Final answer
    x = 161,940.05

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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.