Home / 190,361.44-285,490.98-57,211.96

Finding the Fourth Proportional to 190,361.44, 285,490.98 and 57,211.96

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Solution

The fourth proportional to 190,361.44, 285,490.98 and 57,211.96 is: 85,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,361.44 : 285,490.98 = 57,211.96 : x
  2. Step 2: Convert to fraction form
    190,361.44/285,490.98 = 57,211.96/x
  3. Step 3: Cross multiply
    190,361.44x = 285,490.98 × 57,211.96
  4. Step 4: Simplify right side
    190,361.44x = 16,333,498,528.12
  5. Step 5: Solve for x
    x = 16,333,498,528.12/190,361.44
  6. Step 6: Final answer
    x = 85,802.56

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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.