Home / 193,395.51-290,092.88-109,117.43

Finding the Fourth Proportional to 193,395.51, 290,092.88 and 109,117.43

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Solution

The fourth proportional to 193,395.51, 290,092.88 and 109,117.43 is: 163,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,395.51 : 290,092.88 = 109,117.43 : x
  2. Step 2: Convert to fraction form
    193,395.51/290,092.88 = 109,117.43/x
  3. Step 3: Cross multiply
    193,395.51x = 290,092.88 × 109,117.43
  4. Step 4: Simplify right side
    193,395.51x = 31,654,187,530.85
  5. Step 5: Solve for x
    x = 31,654,187,530.85/193,395.51
  6. Step 6: Final answer
    x = 163,675.92

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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.