Home / 260,181.10-390,315.39-82,674.46

Finding the Fourth Proportional to 260,181.10, 390,315.39 and 82,674.46

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Solution

The fourth proportional to 260,181.10, 390,315.39 and 82,674.46 is: 124,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,181.10 : 390,315.39 = 82,674.46 : x
  2. Step 2: Convert to fraction form
    260,181.10/390,315.39 = 82,674.46/x
  3. Step 3: Cross multiply
    260,181.10x = 390,315.39 × 82,674.46
  4. Step 4: Simplify right side
    260,181.10x = 32,269,114,097.94
  5. Step 5: Solve for x
    x = 32,269,114,097.94/260,181.10
  6. Step 6: Final answer
    x = 124,025.59

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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.