Home / 320,088.82-441,583.78-192,690.60

Finding the Fourth Proportional to 320,088.82, 441,583.78 and 192,690.60

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Solution

The fourth proportional to 320,088.82, 441,583.78 and 192,690.60 is: 265,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,088.82 : 441,583.78 = 192,690.60 : x
  2. Step 2: Convert to fraction form
    320,088.82/441,583.78 = 192,690.60/x
  3. Step 3: Cross multiply
    320,088.82x = 441,583.78 × 192,690.60
  4. Step 4: Simplify right side
    320,088.82x = 85,089,043,518.47
  5. Step 5: Solve for x
    x = 85,089,043,518.47/320,088.82
  6. Step 6: Final answer
    x = 265,829.48

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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.