Home / 203,840.08-281,303.01-111,958.74

Finding the Fourth Proportional to 203,840.08, 281,303.01 and 111,958.74

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Solution

The fourth proportional to 203,840.08, 281,303.01 and 111,958.74 is: 154,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,840.08 : 281,303.01 = 111,958.74 : x
  2. Step 2: Convert to fraction form
    203,840.08/281,303.01 = 111,958.74/x
  3. Step 3: Cross multiply
    203,840.08x = 281,303.01 × 111,958.74
  4. Step 4: Simplify right side
    203,840.08x = 31,494,330,557.81
  5. Step 5: Solve for x
    x = 31,494,330,557.81/203,840.08
  6. Step 6: Final answer
    x = 154,505.10

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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.