Home / 188,103.42-282,164.35-75,768.46

Finding the Fourth Proportional to 188,103.42, 282,164.35 and 75,768.46

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Solution

The fourth proportional to 188,103.42, 282,164.35 and 75,768.46 is: 113,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,103.42 : 282,164.35 = 75,768.46 : x
  2. Step 2: Convert to fraction form
    188,103.42/282,164.35 = 75,768.46/x
  3. Step 3: Cross multiply
    188,103.42x = 282,164.35 × 75,768.46
  4. Step 4: Simplify right side
    188,103.42x = 21,379,158,266.40
  5. Step 5: Solve for x
    x = 21,379,158,266.40/188,103.42
  6. Step 6: Final answer
    x = 113,656.41

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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.