Home / 193,741.20-290,611.80-123,411.60

Finding the Fourth Proportional to 193,741.20, 290,611.80 and 123,411.60

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Solution

The fourth proportional to 193,741.20, 290,611.80 and 123,411.60 is: 185,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,741.20 : 290,611.80 = 123,411.60 : x
  2. Step 2: Convert to fraction form
    193,741.20/290,611.80 = 123,411.60/x
  3. Step 3: Cross multiply
    193,741.20x = 290,611.80 × 123,411.60
  4. Step 4: Simplify right side
    193,741.20x = 35,864,867,216.88
  5. Step 5: Solve for x
    x = 35,864,867,216.88/193,741.20
  6. Step 6: Final answer
    x = 185,117.40

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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.