Home / 144,032.11-198,734.63-82,766.45

Finding the Fourth Proportional to 144,032.11, 198,734.63 and 82,766.45

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Solution

The fourth proportional to 144,032.11, 198,734.63 and 82,766.45 is: 114,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,032.11 : 198,734.63 = 82,766.45 : x
  2. Step 2: Convert to fraction form
    144,032.11/198,734.63 = 82,766.45/x
  3. Step 3: Cross multiply
    144,032.11x = 198,734.63 × 82,766.45
  4. Step 4: Simplify right side
    144,032.11x = 16,448,559,817.16
  5. Step 5: Solve for x
    x = 16,448,559,817.16/144,032.11
  6. Step 6: Final answer
    x = 114,200.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.