Home / 253,032.10-379,598.26-133,146.23

Finding the Fourth Proportional to 253,032.10, 379,598.26 and 133,146.23

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Solution

The fourth proportional to 253,032.10, 379,598.26 and 133,146.23 is: 199,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,032.10 : 379,598.26 = 133,146.23 : x
  2. Step 2: Convert to fraction form
    253,032.10/379,598.26 = 133,146.23/x
  3. Step 3: Cross multiply
    253,032.10x = 379,598.26 × 133,146.23
  4. Step 4: Simplify right side
    253,032.10x = 50,542,075,002.70
  5. Step 5: Solve for x
    x = 50,542,075,002.70/253,032.10
  6. Step 6: Final answer
    x = 199,745.71

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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.