Home / 193,583.08-290,405.40-67,261.96

Finding the Fourth Proportional to 193,583.08, 290,405.40 and 67,261.96

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Solution

The fourth proportional to 193,583.08, 290,405.40 and 67,261.96 is: 100,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,583.08 : 290,405.40 = 67,261.96 : x
  2. Step 2: Convert to fraction form
    193,583.08/290,405.40 = 67,261.96/x
  3. Step 3: Cross multiply
    193,583.08x = 290,405.40 × 67,261.96
  4. Step 4: Simplify right side
    193,583.08x = 19,533,236,398.58
  5. Step 5: Solve for x
    x = 19,533,236,398.58/193,583.08
  6. Step 6: Final answer
    x = 100,903.63

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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.