Home / 208,583.60-312,737.18-75,446.33

Finding the Fourth Proportional to 208,583.60, 312,737.18 and 75,446.33

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Solution

The fourth proportional to 208,583.60, 312,737.18 and 75,446.33 is: 113,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,583.60 : 312,737.18 = 75,446.33 : x
  2. Step 2: Convert to fraction form
    208,583.60/312,737.18 = 75,446.33/x
  3. Step 3: Cross multiply
    208,583.60x = 312,737.18 × 75,446.33
  4. Step 4: Simplify right side
    208,583.60x = 23,594,870,544.63
  5. Step 5: Solve for x
    x = 23,594,870,544.63/208,583.60
  6. Step 6: Final answer
    x = 113,119.49

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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.