Home / 189,078.25-283,665.99-64,419.25

Finding the Fourth Proportional to 189,078.25, 283,665.99 and 64,419.25

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Solution

The fourth proportional to 189,078.25, 283,665.99 and 64,419.25 is: 96,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,078.25 : 283,665.99 = 64,419.25 : x
  2. Step 2: Convert to fraction form
    189,078.25/283,665.99 = 64,419.25/x
  3. Step 3: Cross multiply
    189,078.25x = 283,665.99 × 64,419.25
  4. Step 4: Simplify right side
    189,078.25x = 18,273,550,326.31
  5. Step 5: Solve for x
    x = 18,273,550,326.31/189,078.25
  6. Step 6: Final answer
    x = 96,645.44

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1.5x scale

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.