Home / 289,380.30-434,552.13-195,216.54

Finding the Fourth Proportional to 289,380.30, 434,552.13 and 195,216.54

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Solution

The fourth proportional to 289,380.30, 434,552.13 and 195,216.54 is: 293,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,380.30 : 434,552.13 = 195,216.54 : x
  2. Step 2: Convert to fraction form
    289,380.30/434,552.13 = 195,216.54/x
  3. Step 3: Cross multiply
    289,380.30x = 434,552.13 × 195,216.54
  4. Step 4: Simplify right side
    289,380.30x = 84,831,763,268.23
  5. Step 5: Solve for x
    x = 84,831,763,268.23/289,380.30
  6. Step 6: Final answer
    x = 293,149.75

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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.