Home / 193,367.55-290,157.03-75,043.56

Finding the Fourth Proportional to 193,367.55, 290,157.03 and 75,043.56

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Solution

The fourth proportional to 193,367.55, 290,157.03 and 75,043.56 is: 112,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,367.55 : 290,157.03 = 75,043.56 : x
  2. Step 2: Convert to fraction form
    193,367.55/290,157.03 = 75,043.56/x
  3. Step 3: Cross multiply
    193,367.55x = 290,157.03 × 75,043.56
  4. Step 4: Simplify right side
    193,367.55x = 21,774,416,490.23
  5. Step 5: Solve for x
    x = 21,774,416,490.23/193,367.55
  6. Step 6: Final answer
    x = 112,606.36

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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.