Home / 192,927.85-289,434.07-64,839.55

Finding the Fourth Proportional to 192,927.85, 289,434.07 and 64,839.55

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Solution

The fourth proportional to 192,927.85, 289,434.07 and 64,839.55 is: 97,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,927.85 : 289,434.07 = 64,839.55 : x
  2. Step 2: Convert to fraction form
    192,927.85/289,434.07 = 64,839.55/x
  3. Step 3: Cross multiply
    192,927.85x = 289,434.07 × 64,839.55
  4. Step 4: Simplify right side
    192,927.85x = 18,766,773,967.78
  5. Step 5: Solve for x
    x = 18,766,773,967.78/192,927.85
  6. Step 6: Final answer
    x = 97,273.53

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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.