Home / 183,821.80-275,734.62-78,575.08

Finding the Fourth Proportional to 183,821.80, 275,734.62 and 78,575.08

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Solution

The fourth proportional to 183,821.80, 275,734.62 and 78,575.08 is: 117,863.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,821.80 : 275,734.62 = 78,575.08 : x
  2. Step 2: Convert to fraction form
    183,821.80/275,734.62 = 78,575.08/x
  3. Step 3: Cross multiply
    183,821.80x = 275,734.62 × 78,575.08
  4. Step 4: Simplify right side
    183,821.80x = 21,665,869,825.27
  5. Step 5: Solve for x
    x = 21,665,869,825.27/183,821.80
  6. Step 6: Final answer
    x = 117,863.44

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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.