Home / 193,021.02-289,630.26-91,933.56

Finding the Fourth Proportional to 193,021.02, 289,630.26 and 91,933.56

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Solution

The fourth proportional to 193,021.02, 289,630.26 and 91,933.56 is: 137,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,021.02 : 289,630.26 = 91,933.56 : x
  2. Step 2: Convert to fraction form
    193,021.02/289,630.26 = 91,933.56/x
  3. Step 3: Cross multiply
    193,021.02x = 289,630.26 × 91,933.56
  4. Step 4: Simplify right side
    193,021.02x = 26,626,740,885.53
  5. Step 5: Solve for x
    x = 26,626,740,885.53/193,021.02
  6. Step 6: Final answer
    x = 137,947.36

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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.