Home / 388,942.75-583,414.13-93,454.75

Finding the Fourth Proportional to 388,942.75, 583,414.13 and 93,454.75

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Solution

The fourth proportional to 388,942.75, 583,414.13 and 93,454.75 is: 140,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,942.75 : 583,414.13 = 93,454.75 : x
  2. Step 2: Convert to fraction form
    388,942.75/583,414.13 = 93,454.75/x
  3. Step 3: Cross multiply
    388,942.75x = 583,414.13 × 93,454.75
  4. Step 4: Simplify right side
    388,942.75x = 54,522,821,665.62
  5. Step 5: Solve for x
    x = 54,522,821,665.62/388,942.75
  6. Step 6: Final answer
    x = 140,182.13

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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.