Home / 253,338.11-379,792.55-111,075.58

Finding the Fourth Proportional to 253,338.11, 379,792.55 and 111,075.58

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Solution

The fourth proportional to 253,338.11, 379,792.55 and 111,075.58 is: 166,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,338.11 : 379,792.55 = 111,075.58 : x
  2. Step 2: Convert to fraction form
    253,338.11/379,792.55 = 111,075.58/x
  3. Step 3: Cross multiply
    253,338.11x = 379,792.55 × 111,075.58
  4. Step 4: Simplify right side
    253,338.11x = 42,185,675,762.23
  5. Step 5: Solve for x
    x = 42,185,675,762.23/253,338.11
  6. Step 6: Final answer
    x = 166,519.26

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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.