Home / 158,797.18-219,138.42-87,175.36

Finding the Fourth Proportional to 158,797.18, 219,138.42 and 87,175.36

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Solution

The fourth proportional to 158,797.18, 219,138.42 and 87,175.36 is: 120,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,797.18 : 219,138.42 = 87,175.36 : x
  2. Step 2: Convert to fraction form
    158,797.18/219,138.42 = 87,175.36/x
  3. Step 3: Cross multiply
    158,797.18x = 219,138.42 × 87,175.36
  4. Step 4: Simplify right side
    158,797.18x = 19,103,470,653.33
  5. Step 5: Solve for x
    x = 19,103,470,653.33/158,797.18
  6. Step 6: Final answer
    x = 120,301.07

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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.