Home / 217,745.57-326,621.63-75,595.36

Finding the Fourth Proportional to 217,745.57, 326,621.63 and 75,595.36

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Solution

The fourth proportional to 217,745.57, 326,621.63 and 75,595.36 is: 113,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,745.57 : 326,621.63 = 75,595.36 : x
  2. Step 2: Convert to fraction form
    217,745.57/326,621.63 = 75,595.36/x
  3. Step 3: Cross multiply
    217,745.57x = 326,621.63 × 75,595.36
  4. Step 4: Simplify right side
    217,745.57x = 24,691,079,703.64
  5. Step 5: Solve for x
    x = 24,691,079,703.64/217,745.57
  6. Step 6: Final answer
    x = 113,394.18

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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.