Home / 159,113.22-219,521.60-98,662.11

Finding the Fourth Proportional to 159,113.22, 219,521.60 and 98,662.11

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Solution

The fourth proportional to 159,113.22, 219,521.60 and 98,662.11 is: 136,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,113.22 : 219,521.60 = 98,662.11 : x
  2. Step 2: Convert to fraction form
    159,113.22/219,521.60 = 98,662.11/x
  3. Step 3: Cross multiply
    159,113.22x = 219,521.60 × 98,662.11
  4. Step 4: Simplify right side
    159,113.22x = 21,658,463,753.27
  5. Step 5: Solve for x
    x = 21,658,463,753.27/159,113.22
  6. Step 6: Final answer
    x = 136,119.83

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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.