Home / 199,438.59-298,990.05-92,768.34

Finding the Fourth Proportional to 199,438.59, 298,990.05 and 92,768.34

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Solution

The fourth proportional to 199,438.59, 298,990.05 and 92,768.34 is: 139,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,438.59 : 298,990.05 = 92,768.34 : x
  2. Step 2: Convert to fraction form
    199,438.59/298,990.05 = 92,768.34/x
  3. Step 3: Cross multiply
    199,438.59x = 298,990.05 × 92,768.34
  4. Step 4: Simplify right side
    199,438.59x = 27,736,810,615.02
  5. Step 5: Solve for x
    x = 27,736,810,615.02/199,438.59
  6. Step 6: Final answer
    x = 139,074.44

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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.