Home / 236,051.21-354,181.47-123,704.72

Finding the Fourth Proportional to 236,051.21, 354,181.47 and 123,704.72

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Solution

The fourth proportional to 236,051.21, 354,181.47 and 123,704.72 is: 185,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,051.21 : 354,181.47 = 123,704.72 : x
  2. Step 2: Convert to fraction form
    236,051.21/354,181.47 = 123,704.72/x
  3. Step 3: Cross multiply
    236,051.21x = 354,181.47 × 123,704.72
  4. Step 4: Simplify right side
    236,051.21x = 43,813,918,668.92
  5. Step 5: Solve for x
    x = 43,813,918,668.92/236,051.21
  6. Step 6: Final answer
    x = 185,611.92

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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.