Home / 352,029.15-528,043.73-212,061.15

Finding the Fourth Proportional to 352,029.15, 528,043.73 and 212,061.15

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Solution

The fourth proportional to 352,029.15, 528,043.73 and 212,061.15 is: 318,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,029.15 : 528,043.73 = 212,061.15 : x
  2. Step 2: Convert to fraction form
    352,029.15/528,043.73 = 212,061.15/x
  3. Step 3: Cross multiply
    352,029.15x = 528,043.73 × 212,061.15
  4. Step 4: Simplify right side
    352,029.15x = 111,977,560,634.09
  5. Step 5: Solve for x
    x = 111,977,560,634.09/352,029.15
  6. Step 6: Final answer
    x = 318,091.73

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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.