Home / 159,422.73-219,993.27-87,802.75

Finding the Fourth Proportional to 159,422.73, 219,993.27 and 87,802.75

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Solution

The fourth proportional to 159,422.73, 219,993.27 and 87,802.75 is: 121,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,422.73 : 219,993.27 = 87,802.75 : x
  2. Step 2: Convert to fraction form
    159,422.73/219,993.27 = 87,802.75/x
  3. Step 3: Cross multiply
    159,422.73x = 219,993.27 × 87,802.75
  4. Step 4: Simplify right side
    159,422.73x = 19,316,014,774.06
  5. Step 5: Solve for x
    x = 19,316,014,774.06/159,422.73
  6. Step 6: Final answer
    x = 121,162.24

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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.