Home / 228,541.96-342,942.46-123,358.60

Finding the Fourth Proportional to 228,541.96, 342,942.46 and 123,358.60

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Solution

The fourth proportional to 228,541.96, 342,942.46 and 123,358.60 is: 185,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,541.96 : 342,942.46 = 123,358.60 : x
  2. Step 2: Convert to fraction form
    228,541.96/342,942.46 = 123,358.60/x
  3. Step 3: Cross multiply
    228,541.96x = 342,942.46 × 123,358.60
  4. Step 4: Simplify right side
    228,541.96x = 42,304,901,746.16
  5. Step 5: Solve for x
    x = 42,304,901,746.16/228,541.96
  6. Step 6: Final answer
    x = 185,107.81

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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.