Home / 331,898.48-457,901.78-195,864.38

Finding the Fourth Proportional to 331,898.48, 457,901.78 and 195,864.38

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Solution

The fourth proportional to 331,898.48, 457,901.78 and 195,864.38 is: 270,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,898.48 : 457,901.78 = 195,864.38 : x
  2. Step 2: Convert to fraction form
    331,898.48/457,901.78 = 195,864.38/x
  3. Step 3: Cross multiply
    331,898.48x = 457,901.78 × 195,864.38
  4. Step 4: Simplify right side
    331,898.48x = 89,686,644,971.77
  5. Step 5: Solve for x
    x = 89,686,644,971.77/331,898.48
  6. Step 6: Final answer
    x = 270,223.13

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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.