Home / 159,376.16-219,697.44-131,032.64

Finding the Fourth Proportional to 159,376.16, 219,697.44 and 131,032.64

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Solution

The fourth proportional to 159,376.16, 219,697.44 and 131,032.64 is: 180,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,376.16 : 219,697.44 = 131,032.64 : x
  2. Step 2: Convert to fraction form
    159,376.16/219,697.44 = 131,032.64/x
  3. Step 3: Cross multiply
    159,376.16x = 219,697.44 × 131,032.64
  4. Step 4: Simplify right side
    159,376.16x = 28,787,535,564.44
  5. Step 5: Solve for x
    x = 28,787,535,564.44/159,376.16
  6. Step 6: Final answer
    x = 180,626.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.