Home / 664,158.83-996,131.32-190,736.51

Finding the Fourth Proportional to 664,158.83, 996,131.32 and 190,736.51

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Solution

The fourth proportional to 664,158.83, 996,131.32 and 190,736.51 is: 286,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,158.83 : 996,131.32 = 190,736.51 : x
  2. Step 2: Convert to fraction form
    664,158.83/996,131.32 = 190,736.51/x
  3. Step 3: Cross multiply
    664,158.83x = 996,131.32 × 190,736.51
  4. Step 4: Simplify right side
    664,158.83x = 189,998,606,021.00
  5. Step 5: Solve for x
    x = 189,998,606,021.00/664,158.83
  6. Step 6: Final answer
    x = 286,074.05

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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.