Home / 193,750.32-290,506.38-67,361.16

Finding the Fourth Proportional to 193,750.32, 290,506.38 and 67,361.16

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Solution

The fourth proportional to 193,750.32, 290,506.38 and 67,361.16 is: 101,000.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,750.32 : 290,506.38 = 67,361.16 : x
  2. Step 2: Convert to fraction form
    193,750.32/290,506.38 = 67,361.16/x
  3. Step 3: Cross multiply
    193,750.32x = 290,506.38 × 67,361.16
  4. Step 4: Simplify right side
    193,750.32x = 19,568,846,744.20
  5. Step 5: Solve for x
    x = 19,568,846,744.20/193,750.32
  6. Step 6: Final answer
    x = 101,000.33

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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.