Home / 186,819.00-257,736.15-115,074.60

Finding the Fourth Proportional to 186,819.00, 257,736.15 and 115,074.60

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Solution

The fourth proportional to 186,819.00, 257,736.15 and 115,074.60 is: 158,757.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,819.00 : 257,736.15 = 115,074.60 : x
  2. Step 2: Convert to fraction form
    186,819.00/257,736.15 = 115,074.60/x
  3. Step 3: Cross multiply
    186,819.00x = 257,736.15 × 115,074.60
  4. Step 4: Simplify right side
    186,819.00x = 29,658,884,579.60
  5. Step 5: Solve for x
    x = 29,658,884,579.60/186,819.00
  6. Step 6: Final answer
    x = 158,757.32

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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.