Home / 144,462.30-199,363.86-79,930.49

Finding the Fourth Proportional to 144,462.30, 199,363.86 and 79,930.49

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Solution

The fourth proportional to 144,462.30, 199,363.86 and 79,930.49 is: 110,307.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,462.30 : 199,363.86 = 79,930.49 : x
  2. Step 2: Convert to fraction form
    144,462.30/199,363.86 = 79,930.49/x
  3. Step 3: Cross multiply
    144,462.30x = 199,363.86 × 79,930.49
  4. Step 4: Simplify right side
    144,462.30x = 15,935,251,004.88
  5. Step 5: Solve for x
    x = 15,935,251,004.88/144,462.30
  6. Step 6: Final answer
    x = 110,307.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.