Home / 180,804.23-271,143.43-74,157.90

Finding the Fourth Proportional to 180,804.23, 271,143.43 and 74,157.90

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Solution

The fourth proportional to 180,804.23, 271,143.43 and 74,157.90 is: 111,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,804.23 : 271,143.43 = 74,157.90 : x
  2. Step 2: Convert to fraction form
    180,804.23/271,143.43 = 74,157.90/x
  3. Step 3: Cross multiply
    180,804.23x = 271,143.43 × 74,157.90
  4. Step 4: Simplify right side
    180,804.23x = 20,107,427,367.60
  5. Step 5: Solve for x
    x = 20,107,427,367.60/180,804.23
  6. Step 6: Final answer
    x = 111,211.05

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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.