Home / 161,796.52-223,286.80-90,177.04

Finding the Fourth Proportional to 161,796.52, 223,286.80 and 90,177.04

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Solution

The fourth proportional to 161,796.52, 223,286.80 and 90,177.04 is: 124,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,796.52 : 223,286.80 = 90,177.04 : x
  2. Step 2: Convert to fraction form
    161,796.52/223,286.80 = 90,177.04/x
  3. Step 3: Cross multiply
    161,796.52x = 223,286.80 × 90,177.04
  4. Step 4: Simplify right side
    161,796.52x = 20,135,342,695.07
  5. Step 5: Solve for x
    x = 20,135,342,695.07/161,796.52
  6. Step 6: Final answer
    x = 124,448.55

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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.