Home / 140,068.36-193,289.97-79,645.60

Finding the Fourth Proportional to 140,068.36, 193,289.97 and 79,645.60

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Solution

The fourth proportional to 140,068.36, 193,289.97 and 79,645.60 is: 109,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,068.36 : 193,289.97 = 79,645.60 : x
  2. Step 2: Convert to fraction form
    140,068.36/193,289.97 = 79,645.60/x
  3. Step 3: Cross multiply
    140,068.36x = 193,289.97 × 79,645.60
  4. Step 4: Simplify right side
    140,068.36x = 15,394,695,634.63
  5. Step 5: Solve for x
    x = 15,394,695,634.63/140,068.36
  6. Step 6: Final answer
    x = 109,908.44

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1.5x scale

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.