Home / 136,944.36-205,377.64-43,447.68

Finding the Fourth Proportional to 136,944.36, 205,377.64 and 43,447.68

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Solution

The fourth proportional to 136,944.36, 205,377.64 and 43,447.68 is: 65,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,944.36 : 205,377.64 = 43,447.68 : x
  2. Step 2: Convert to fraction form
    136,944.36/205,377.64 = 43,447.68/x
  3. Step 3: Cross multiply
    136,944.36x = 205,377.64 × 43,447.68
  4. Step 4: Simplify right side
    136,944.36x = 8,923,181,981.88
  5. Step 5: Solve for x
    x = 8,923,181,981.88/136,944.36
  6. Step 6: Final answer
    x = 65,159.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.