Home / 202,331.52-279,174.20-117,403.02

Finding the Fourth Proportional to 202,331.52, 279,174.20 and 117,403.02

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Solution

The fourth proportional to 202,331.52, 279,174.20 and 117,403.02 is: 161,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,331.52 : 279,174.20 = 117,403.02 : x
  2. Step 2: Convert to fraction form
    202,331.52/279,174.20 = 117,403.02/x
  3. Step 3: Cross multiply
    202,331.52x = 279,174.20 × 117,403.02
  4. Step 4: Simplify right side
    202,331.52x = 32,775,893,599.07
  5. Step 5: Solve for x
    x = 32,775,893,599.07/202,331.52
  6. Step 6: Final answer
    x = 161,991.04

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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.