Home / 275,828.14-413,711.23-76,176.91

Finding the Fourth Proportional to 275,828.14, 413,711.23 and 76,176.91

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Solution

The fourth proportional to 275,828.14, 413,711.23 and 76,176.91 is: 114,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,828.14 : 413,711.23 = 76,176.91 : x
  2. Step 2: Convert to fraction form
    275,828.14/413,711.23 = 76,176.91/x
  3. Step 3: Cross multiply
    275,828.14x = 413,711.23 × 76,176.91
  4. Step 4: Simplify right side
    275,828.14x = 31,515,243,133.70
  5. Step 5: Solve for x
    x = 31,515,243,133.70/275,828.14
  6. Step 6: Final answer
    x = 114,256.81

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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.