Home / 192,418.40-265,365.44-120,805.12

Finding the Fourth Proportional to 192,418.40, 265,365.44 and 120,805.12

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Solution

The fourth proportional to 192,418.40, 265,365.44 and 120,805.12 is: 166,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,418.40 : 265,365.44 = 120,805.12 : x
  2. Step 2: Convert to fraction form
    192,418.40/265,365.44 = 120,805.12/x
  3. Step 3: Cross multiply
    192,418.40x = 265,365.44 × 120,805.12
  4. Step 4: Simplify right side
    192,418.40x = 32,057,503,823.05
  5. Step 5: Solve for x
    x = 32,057,503,823.05/192,418.40
  6. Step 6: Final answer
    x = 166,603.11

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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.