Home / 226,075.20-339,112.80-172,931.10

Finding the Fourth Proportional to 226,075.20, 339,112.80 and 172,931.10

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Solution

The fourth proportional to 226,075.20, 339,112.80 and 172,931.10 is: 259,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,075.20 : 339,112.80 = 172,931.10 : x
  2. Step 2: Convert to fraction form
    226,075.20/339,112.80 = 172,931.10/x
  3. Step 3: Cross multiply
    226,075.20x = 339,112.80 × 172,931.10
  4. Step 4: Simplify right side
    226,075.20x = 58,643,149,528.08
  5. Step 5: Solve for x
    x = 58,643,149,528.08/226,075.20
  6. Step 6: Final answer
    x = 259,396.65

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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.