Home / 159,110.21-219,517.46-98,659.10

Finding the Fourth Proportional to 159,110.21, 219,517.46 and 98,659.10

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Solution

The fourth proportional to 159,110.21, 219,517.46 and 98,659.10 is: 136,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,110.21 : 219,517.46 = 98,659.10 : x
  2. Step 2: Convert to fraction form
    159,110.21/219,517.46 = 98,659.10/x
  3. Step 3: Cross multiply
    159,110.21x = 219,517.46 × 98,659.10
  4. Step 4: Simplify right side
    159,110.21x = 21,657,395,093.38
  5. Step 5: Solve for x
    x = 21,657,395,093.38/159,110.21
  6. Step 6: Final answer
    x = 136,115.68

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1.5x scale

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.