Home / 292,728.48-403,960.03-165,401.34

Finding the Fourth Proportional to 292,728.48, 403,960.03 and 165,401.34

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Solution

The fourth proportional to 292,728.48, 403,960.03 and 165,401.34 is: 228,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,728.48 : 403,960.03 = 165,401.34 : x
  2. Step 2: Convert to fraction form
    292,728.48/403,960.03 = 165,401.34/x
  3. Step 3: Cross multiply
    292,728.48x = 403,960.03 × 165,401.34
  4. Step 4: Simplify right side
    292,728.48x = 66,815,530,268.44
  5. Step 5: Solve for x
    x = 66,815,530,268.44/292,728.48
  6. Step 6: Final answer
    x = 228,250.87

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1.5x scale

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.