Home / 451,651.03-677,476.81-114,716.95

Finding the Fourth Proportional to 451,651.03, 677,476.81 and 114,716.95

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Solution

The fourth proportional to 451,651.03, 677,476.81 and 114,716.95 is: 172,075.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,651.03 : 677,476.81 = 114,716.95 : x
  2. Step 2: Convert to fraction form
    451,651.03/677,476.81 = 114,716.95/x
  3. Step 3: Cross multiply
    451,651.03x = 677,476.81 × 114,716.95
  4. Step 4: Simplify right side
    451,651.03x = 77,718,072,765.34
  5. Step 5: Solve for x
    x = 77,718,072,765.34/451,651.03
  6. Step 6: Final answer
    x = 172,075.49

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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.