Home / 144,493.03-199,391.19-79,068.58

Finding the Fourth Proportional to 144,493.03, 199,391.19 and 79,068.58

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Solution

The fourth proportional to 144,493.03, 199,391.19 and 79,068.58 is: 109,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,493.03 : 199,391.19 = 79,068.58 : x
  2. Step 2: Convert to fraction form
    144,493.03/199,391.19 = 79,068.58/x
  3. Step 3: Cross multiply
    144,493.03x = 199,391.19 × 79,068.58
  4. Step 4: Simplify right side
    144,493.03x = 15,765,578,257.81
  5. Step 5: Solve for x
    x = 15,765,578,257.81/144,493.03
  6. Step 6: Final answer
    x = 109,109.61

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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.