Home / 454,418.88-681,666.72-122,013.12

Finding the Fourth Proportional to 454,418.88, 681,666.72 and 122,013.12

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Solution

The fourth proportional to 454,418.88, 681,666.72 and 122,013.12 is: 183,029.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,418.88 : 681,666.72 = 122,013.12 : x
  2. Step 2: Convert to fraction form
    454,418.88/681,666.72 = 122,013.12/x
  3. Step 3: Cross multiply
    454,418.88x = 681,666.72 × 122,013.12
  4. Step 4: Simplify right side
    454,418.88x = 83,172,283,307.37
  5. Step 5: Solve for x
    x = 83,172,283,307.37/454,418.88
  6. Step 6: Final answer
    x = 183,029.99

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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.