Home / 192,035.53-287,495.20-111,828.66

Finding the Fourth Proportional to 192,035.53, 287,495.20 and 111,828.66

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Solution

The fourth proportional to 192,035.53, 287,495.20 and 111,828.66 is: 167,417.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,035.53 : 287,495.20 = 111,828.66 : x
  2. Step 2: Convert to fraction form
    192,035.53/287,495.20 = 111,828.66/x
  3. Step 3: Cross multiply
    192,035.53x = 287,495.20 × 111,828.66
  4. Step 4: Simplify right side
    192,035.53x = 32,150,202,972.43
  5. Step 5: Solve for x
    x = 32,150,202,972.43/192,035.53
  6. Step 6: Final answer
    x = 167,417.99

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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.