Home / 331,812.48-457,888.04-195,890.22

Finding the Fourth Proportional to 331,812.48, 457,888.04 and 195,890.22

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Solution

The fourth proportional to 331,812.48, 457,888.04 and 195,890.22 is: 270,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,812.48 : 457,888.04 = 195,890.22 : x
  2. Step 2: Convert to fraction form
    331,812.48/457,888.04 = 195,890.22/x
  3. Step 3: Cross multiply
    331,812.48x = 457,888.04 × 195,890.22
  4. Step 4: Simplify right side
    331,812.48x = 89,695,787,911.52
  5. Step 5: Solve for x
    x = 89,695,787,911.52/331,812.48
  6. Step 6: Final answer
    x = 270,320.72

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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.