Home / 284,057.20-426,085.26-165,645.51

Finding the Fourth Proportional to 284,057.20, 426,085.26 and 165,645.51

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Solution

The fourth proportional to 284,057.20, 426,085.26 and 165,645.51 is: 248,467.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,057.20 : 426,085.26 = 165,645.51 : x
  2. Step 2: Convert to fraction form
    284,057.20/426,085.26 = 165,645.51/x
  3. Step 3: Cross multiply
    284,057.20x = 426,085.26 × 165,645.51
  4. Step 4: Simplify right side
    284,057.20x = 70,579,108,908.95
  5. Step 5: Solve for x
    x = 70,579,108,908.95/284,057.20
  6. Step 6: Final answer
    x = 248,467.94

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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.