Home / 228,394.20-342,589.40-178,516.22

Finding the Fourth Proportional to 228,394.20, 342,589.40 and 178,516.22

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Solution

The fourth proportional to 228,394.20, 342,589.40 and 178,516.22 is: 267,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,394.20 : 342,589.40 = 178,516.22 : x
  2. Step 2: Convert to fraction form
    228,394.20/342,589.40 = 178,516.22/x
  3. Step 3: Cross multiply
    228,394.20x = 342,589.40 × 178,516.22
  4. Step 4: Simplify right side
    228,394.20x = 61,157,764,700.07
  5. Step 5: Solve for x
    x = 61,157,764,700.07/228,394.20
  6. Step 6: Final answer
    x = 267,772.84

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1.5x scale

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.