Home / 221,160.41-331,740.97-94,790.77

Finding the Fourth Proportional to 221,160.41, 331,740.97 and 94,790.77

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Solution

The fourth proportional to 221,160.41, 331,740.97 and 94,790.77 is: 142,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,160.41 : 331,740.97 = 94,790.77 : x
  2. Step 2: Convert to fraction form
    221,160.41/331,740.97 = 94,790.77/x
  3. Step 3: Cross multiply
    221,160.41x = 331,740.97 × 94,790.77
  4. Step 4: Simplify right side
    221,160.41x = 31,445,981,986.85
  5. Step 5: Solve for x
    x = 31,445,981,986.85/221,160.41
  6. Step 6: Final answer
    x = 142,186.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.