Home / 254,555.92-381,880.73-83,787.22

Finding the Fourth Proportional to 254,555.92, 381,880.73 and 83,787.22

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Solution

The fourth proportional to 254,555.92, 381,880.73 and 83,787.22 is: 125,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,555.92 : 381,880.73 = 83,787.22 : x
  2. Step 2: Convert to fraction form
    254,555.92/381,880.73 = 83,787.22/x
  3. Step 3: Cross multiply
    254,555.92x = 381,880.73 × 83,787.22
  4. Step 4: Simplify right side
    254,555.92x = 31,996,724,738.27
  5. Step 5: Solve for x
    x = 31,996,724,738.27/254,555.92
  6. Step 6: Final answer
    x = 125,696.25

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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.