Home / 613,159.38-919,738.26-192,468.06

Finding the Fourth Proportional to 613,159.38, 919,738.26 and 192,468.06

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Solution

The fourth proportional to 613,159.38, 919,738.26 and 192,468.06 is: 288,701.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,159.38 : 919,738.26 = 192,468.06 : x
  2. Step 2: Convert to fraction form
    613,159.38/919,738.26 = 192,468.06/x
  3. Step 3: Cross multiply
    613,159.38x = 919,738.26 × 192,468.06
  4. Step 4: Simplify right side
    613,159.38x = 177,020,238,609.98
  5. Step 5: Solve for x
    x = 177,020,238,609.98/613,159.38
  6. Step 6: Final answer
    x = 288,701.84

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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.