Home / 292,735.91-403,965.27-165,408.77

Finding the Fourth Proportional to 292,735.91, 403,965.27 and 165,408.77

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Solution

The fourth proportional to 292,735.91, 403,965.27 and 165,408.77 is: 228,258.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,735.91 : 403,965.27 = 165,408.77 : x
  2. Step 2: Convert to fraction form
    292,735.91/403,965.27 = 165,408.77/x
  3. Step 3: Cross multiply
    292,735.91x = 403,965.27 × 165,408.77
  4. Step 4: Simplify right side
    292,735.91x = 66,819,398,433.42
  5. Step 5: Solve for x
    x = 66,819,398,433.42/292,735.91
  6. Step 6: Final answer
    x = 228,258.29

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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.