Home / 264,155.12-396,331.32-106,428.32

Finding the Fourth Proportional to 264,155.12, 396,331.32 and 106,428.32

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Solution

The fourth proportional to 264,155.12, 396,331.32 and 106,428.32 is: 159,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,155.12 : 396,331.32 = 106,428.32 : x
  2. Step 2: Convert to fraction form
    264,155.12/396,331.32 = 106,428.32/x
  3. Step 3: Cross multiply
    264,155.12x = 396,331.32 × 106,428.32
  4. Step 4: Simplify right side
    264,155.12x = 42,180,876,550.98
  5. Step 5: Solve for x
    x = 42,180,876,550.98/264,155.12
  6. Step 6: Final answer
    x = 159,682.22

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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.