Home / 190,317.30-285,269.94-123,804.96

Finding the Fourth Proportional to 190,317.30, 285,269.94 and 123,804.96

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Solution

The fourth proportional to 190,317.30, 285,269.94 and 123,804.96 is: 185,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,317.30 : 285,269.94 = 123,804.96 : x
  2. Step 2: Convert to fraction form
    190,317.30/285,269.94 = 123,804.96/x
  3. Step 3: Cross multiply
    190,317.30x = 285,269.94 × 123,804.96
  4. Step 4: Simplify right side
    190,317.30x = 35,317,833,510.90
  5. Step 5: Solve for x
    x = 35,317,833,510.90/190,317.30
  6. Step 6: Final answer
    x = 185,573.43

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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.