Home / 178,677.14-268,015.44-139,263.80

Finding the Fourth Proportional to 178,677.14, 268,015.44 and 139,263.80

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Solution

The fourth proportional to 178,677.14, 268,015.44 and 139,263.80 is: 208,895.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,677.14 : 268,015.44 = 139,263.80 : x
  2. Step 2: Convert to fraction form
    178,677.14/268,015.44 = 139,263.80/x
  3. Step 3: Cross multiply
    178,677.14x = 268,015.44 × 139,263.80
  4. Step 4: Simplify right side
    178,677.14x = 37,324,848,633.07
  5. Step 5: Solve for x
    x = 37,324,848,633.07/178,677.14
  6. Step 6: Final answer
    x = 208,895.49

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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.