Home / 186,815.76-257,828.04-106,255.44

Finding the Fourth Proportional to 186,815.76, 257,828.04 and 106,255.44

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Solution

The fourth proportional to 186,815.76, 257,828.04 and 106,255.44 is: 146,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,815.76 : 257,828.04 = 106,255.44 : x
  2. Step 2: Convert to fraction form
    186,815.76/257,828.04 = 106,255.44/x
  3. Step 3: Cross multiply
    186,815.76x = 257,828.04 × 106,255.44
  4. Step 4: Simplify right side
    186,815.76x = 27,395,631,834.54
  5. Step 5: Solve for x
    x = 27,395,631,834.54/186,815.76
  6. Step 6: Final answer
    x = 146,645.19

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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.