Home / 107,165.83-160,736.38-28,286.21

Finding the Fourth Proportional to 107,165.83, 160,736.38 and 28,286.21

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Solution

The fourth proportional to 107,165.83, 160,736.38 and 28,286.21 is: 42,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,165.83 : 160,736.38 = 28,286.21 : x
  2. Step 2: Convert to fraction form
    107,165.83/160,736.38 = 28,286.21/x
  3. Step 3: Cross multiply
    107,165.83x = 160,736.38 × 28,286.21
  4. Step 4: Simplify right side
    107,165.83x = 4,546,622,999.32
  5. Step 5: Solve for x
    x = 4,546,622,999.32/107,165.83
  6. Step 6: Final answer
    x = 42,426.05

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1.5x scale

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.