Home / 351,666.12-527,563.98-115,021.38

Finding the Fourth Proportional to 351,666.12, 527,563.98 and 115,021.38

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Solution

The fourth proportional to 351,666.12, 527,563.98 and 115,021.38 is: 172,553.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,666.12 : 527,563.98 = 115,021.38 : x
  2. Step 2: Convert to fraction form
    351,666.12/527,563.98 = 115,021.38/x
  3. Step 3: Cross multiply
    351,666.12x = 527,563.98 × 115,021.38
  4. Step 4: Simplify right side
    351,666.12x = 60,681,137,017.89
  5. Step 5: Solve for x
    x = 60,681,137,017.89/351,666.12
  6. Step 6: Final answer
    x = 172,553.26

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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.