Home / 159,875.22-220,627.83-88,255.29

Finding the Fourth Proportional to 159,875.22, 220,627.83 and 88,255.29

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Solution

The fourth proportional to 159,875.22, 220,627.83 and 88,255.29 is: 121,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,875.22 : 220,627.83 = 88,255.29 : x
  2. Step 2: Convert to fraction form
    159,875.22/220,627.83 = 88,255.29/x
  3. Step 3: Cross multiply
    159,875.22x = 220,627.83 × 88,255.29
  4. Step 4: Simplify right side
    159,875.22x = 19,471,572,015.58
  5. Step 5: Solve for x
    x = 19,471,572,015.58/159,875.22
  6. Step 6: Final answer
    x = 121,792.31

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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.