Home / 190,162.81-285,227.16-57,072.79

Finding the Fourth Proportional to 190,162.81, 285,227.16 and 57,072.79

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Solution

The fourth proportional to 190,162.81, 285,227.16 and 57,072.79 is: 85,604.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,162.81 : 285,227.16 = 57,072.79 : x
  2. Step 2: Convert to fraction form
    190,162.81/285,227.16 = 57,072.79/x
  3. Step 3: Cross multiply
    190,162.81x = 285,227.16 × 57,072.79
  4. Step 4: Simplify right side
    190,162.81x = 16,278,709,804.98
  5. Step 5: Solve for x
    x = 16,278,709,804.98/190,162.81
  6. Step 6: Final answer
    x = 85,604.07

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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.