Home / 134,930.75-186,201.45-73,674.83

Finding the Fourth Proportional to 134,930.75, 186,201.45 and 73,674.83

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Solution

The fourth proportional to 134,930.75, 186,201.45 and 73,674.83 is: 101,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,930.75 : 186,201.45 = 73,674.83 : x
  2. Step 2: Convert to fraction form
    134,930.75/186,201.45 = 73,674.83/x
  3. Step 3: Cross multiply
    134,930.75x = 186,201.45 × 73,674.83
  4. Step 4: Simplify right side
    134,930.75x = 13,718,360,640.01
  5. Step 5: Solve for x
    x = 13,718,360,640.01/134,930.75
  6. Step 6: Final answer
    x = 101,669.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.