Home / 134,095.08-185,137.78-83,161.96

Finding the Fourth Proportional to 134,095.08, 185,137.78 and 83,161.96

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Solution

The fourth proportional to 134,095.08, 185,137.78 and 83,161.96 is: 114,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,095.08 : 185,137.78 = 83,161.96 : x
  2. Step 2: Convert to fraction form
    134,095.08/185,137.78 = 83,161.96/x
  3. Step 3: Cross multiply
    134,095.08x = 185,137.78 × 83,161.96
  4. Step 4: Simplify right side
    134,095.08x = 15,396,420,654.85
  5. Step 5: Solve for x
    x = 15,396,420,654.85/134,095.08
  6. Step 6: Final answer
    x = 114,817.19

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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.