Home / 344,788.20-475,864.32-201,520.26

Finding the Fourth Proportional to 344,788.20, 475,864.32 and 201,520.26

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Solution

The fourth proportional to 344,788.20, 475,864.32 and 201,520.26 is: 278,131.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,788.20 : 475,864.32 = 201,520.26 : x
  2. Step 2: Convert to fraction form
    344,788.20/475,864.32 = 201,520.26/x
  3. Step 3: Cross multiply
    344,788.20x = 475,864.32 × 201,520.26
  4. Step 4: Simplify right side
    344,788.20x = 95,896,301,491.12
  5. Step 5: Solve for x
    x = 95,896,301,491.12/344,788.20
  6. Step 6: Final answer
    x = 278,131.04

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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.