Home / 612,796.07-919,194.51-192,104.75

Finding the Fourth Proportional to 612,796.07, 919,194.51 and 192,104.75

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Solution

The fourth proportional to 612,796.07, 919,194.51 and 192,104.75 is: 288,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,796.07 : 919,194.51 = 192,104.75 : x
  2. Step 2: Convert to fraction form
    612,796.07/919,194.51 = 192,104.75/x
  3. Step 3: Cross multiply
    612,796.07x = 919,194.51 × 192,104.75
  4. Step 4: Simplify right side
    612,796.07x = 176,581,631,544.92
  5. Step 5: Solve for x
    x = 176,581,631,544.92/612,796.07
  6. Step 6: Final answer
    x = 288,157.25

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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.