Home / 159,216.24-219,718.39-87,594.72

Finding the Fourth Proportional to 159,216.24, 219,718.39 and 87,594.72

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Solution

The fourth proportional to 159,216.24, 219,718.39 and 87,594.72 is: 120,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,216.24 : 219,718.39 = 87,594.72 : x
  2. Step 2: Convert to fraction form
    159,216.24/219,718.39 = 87,594.72/x
  3. Step 3: Cross multiply
    159,216.24x = 219,718.39 × 87,594.72
  4. Step 4: Simplify right side
    159,216.24x = 19,246,170,850.90
  5. Step 5: Solve for x
    x = 19,246,170,850.90/159,216.24
  6. Step 6: Final answer
    x = 120,880.70

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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.