Home / 193,784.88-290,669.16-67,453.92

Finding the Fourth Proportional to 193,784.88, 290,669.16 and 67,453.92

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Solution

The fourth proportional to 193,784.88, 290,669.16 and 67,453.92 is: 101,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,784.88 : 290,669.16 = 67,453.92 : x
  2. Step 2: Convert to fraction form
    193,784.88/290,669.16 = 67,453.92/x
  3. Step 3: Cross multiply
    193,784.88x = 290,669.16 × 67,453.92
  4. Step 4: Simplify right side
    193,784.88x = 19,606,774,265.11
  5. Step 5: Solve for x
    x = 19,606,774,265.11/193,784.88
  6. Step 6: Final answer
    x = 101,178.04

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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.