Home / 228,928.58-343,451.22-71,158.40

Finding the Fourth Proportional to 228,928.58, 343,451.22 and 71,158.40

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Solution

The fourth proportional to 228,928.58, 343,451.22 and 71,158.40 is: 106,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,928.58 : 343,451.22 = 71,158.40 : x
  2. Step 2: Convert to fraction form
    228,928.58/343,451.22 = 71,158.40/x
  3. Step 3: Cross multiply
    228,928.58x = 343,451.22 × 71,158.40
  4. Step 4: Simplify right side
    228,928.58x = 24,439,439,293.25
  5. Step 5: Solve for x
    x = 24,439,439,293.25/228,928.58
  6. Step 6: Final answer
    x = 106,755.74

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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.