Home / 192,854.18-289,225.42-57,912.81

Finding the Fourth Proportional to 192,854.18, 289,225.42 and 57,912.81

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Solution

The fourth proportional to 192,854.18, 289,225.42 and 57,912.81 is: 86,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,854.18 : 289,225.42 = 57,912.81 : x
  2. Step 2: Convert to fraction form
    192,854.18/289,225.42 = 57,912.81/x
  3. Step 3: Cross multiply
    192,854.18x = 289,225.42 × 57,912.81
  4. Step 4: Simplify right side
    192,854.18x = 16,749,855,566.25
  5. Step 5: Solve for x
    x = 16,749,855,566.25/192,854.18
  6. Step 6: Final answer
    x = 86,852.44

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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.