Home / 307,736.19-424,557.18-192,814.46

Finding the Fourth Proportional to 307,736.19, 424,557.18 and 192,814.46

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Solution

The fourth proportional to 307,736.19, 424,557.18 and 192,814.46 is: 266,009.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,736.19 : 424,557.18 = 192,814.46 : x
  2. Step 2: Convert to fraction form
    307,736.19/424,557.18 = 192,814.46/x
  3. Step 3: Cross multiply
    307,736.19x = 424,557.18 × 192,814.46
  4. Step 4: Simplify right side
    307,736.19x = 81,860,765,474.66
  5. Step 5: Solve for x
    x = 81,860,765,474.66/307,736.19
  6. Step 6: Final answer
    x = 266,009.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.