Home / 342,261.05-513,857.12-192,606.66

Finding the Fourth Proportional to 342,261.05, 513,857.12 and 192,606.66

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Solution

The fourth proportional to 342,261.05, 513,857.12 and 192,606.66 is: 289,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,261.05 : 513,857.12 = 192,606.66 : x
  2. Step 2: Convert to fraction form
    342,261.05/513,857.12 = 192,606.66/x
  3. Step 3: Cross multiply
    342,261.05x = 513,857.12 × 192,606.66
  4. Step 4: Simplify right side
    342,261.05x = 98,972,302,637.39
  5. Step 5: Solve for x
    x = 98,972,302,637.39/342,261.05
  6. Step 6: Final answer
    x = 289,171.98

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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.