Home / 221,279.18-331,802.12-96,474.38

Finding the Fourth Proportional to 221,279.18, 331,802.12 and 96,474.38

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Solution

The fourth proportional to 221,279.18, 331,802.12 and 96,474.38 is: 144,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,279.18 : 331,802.12 = 96,474.38 : x
  2. Step 2: Convert to fraction form
    221,279.18/331,802.12 = 96,474.38/x
  3. Step 3: Cross multiply
    221,279.18x = 331,802.12 × 96,474.38
  4. Step 4: Simplify right side
    221,279.18x = 32,010,402,391.86
  5. Step 5: Solve for x
    x = 32,010,402,391.86/221,279.18
  6. Step 6: Final answer
    x = 144,660.71

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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.