Home / 140,051.67-193,270.35-79,622.33

Finding the Fourth Proportional to 140,051.67, 193,270.35 and 79,622.33

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Solution

The fourth proportional to 140,051.67, 193,270.35 and 79,622.33 is: 109,878.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,051.67 : 193,270.35 = 79,622.33 : x
  2. Step 2: Convert to fraction form
    140,051.67/193,270.35 = 79,622.33/x
  3. Step 3: Cross multiply
    140,051.67x = 193,270.35 × 79,622.33
  4. Step 4: Simplify right side
    140,051.67x = 15,388,634,919.15
  5. Step 5: Solve for x
    x = 15,388,634,919.15/140,051.67
  6. Step 6: Final answer
    x = 109,878.27

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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.