Home / 262,820.90-394,015.35-113,176.10

Finding the Fourth Proportional to 262,820.90, 394,015.35 and 113,176.10

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Solution

The fourth proportional to 262,820.90, 394,015.35 and 113,176.10 is: 169,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,820.90 : 394,015.35 = 113,176.10 : x
  2. Step 2: Convert to fraction form
    262,820.90/394,015.35 = 113,176.10/x
  3. Step 3: Cross multiply
    262,820.90x = 394,015.35 × 113,176.10
  4. Step 4: Simplify right side
    262,820.90x = 44,593,120,653.14
  5. Step 5: Solve for x
    x = 44,593,120,653.14/262,820.90
  6. Step 6: Final answer
    x = 169,671.14

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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.