Home / 136,546.40-205,557.26-122,814.20

Finding the Fourth Proportional to 136,546.40, 205,557.26 and 122,814.20

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Solution

The fourth proportional to 136,546.40, 205,557.26 and 122,814.20 is: 184,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,546.40 : 205,557.26 = 122,814.20 : x
  2. Step 2: Convert to fraction form
    136,546.40/205,557.26 = 122,814.20/x
  3. Step 3: Cross multiply
    136,546.40x = 205,557.26 × 122,814.20
  4. Step 4: Simplify right side
    136,546.40x = 25,245,350,441.09
  5. Step 5: Solve for x
    x = 25,245,350,441.09/136,546.40
  6. Step 6: Final answer
    x = 184,884.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.