Home / 193,670.19-290,393.51-75,203.24

Finding the Fourth Proportional to 193,670.19, 290,393.51 and 75,203.24

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Solution

The fourth proportional to 193,670.19, 290,393.51 and 75,203.24 is: 112,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,670.19 : 290,393.51 = 75,203.24 : x
  2. Step 2: Convert to fraction form
    193,670.19/290,393.51 = 75,203.24/x
  3. Step 3: Cross multiply
    193,670.19x = 290,393.51 × 75,203.24
  4. Step 4: Simplify right side
    193,670.19x = 21,838,530,998.99
  5. Step 5: Solve for x
    x = 21,838,530,998.99/193,670.19
  6. Step 6: Final answer
    x = 112,761.45

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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.