Home / 204,913.96-307,297-86,594.44

Finding the Fourth Proportional to 204,913.96, 307,297 and 86,594.44

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Solution

The fourth proportional to 204,913.96, 307,297 and 86,594.44 is: 129,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,913.96 : 307,297 = 86,594.44 : x
  2. Step 2: Convert to fraction form
    204,913.96/307,297 = 86,594.44/x
  3. Step 3: Cross multiply
    204,913.96x = 307,297 × 86,594.44
  4. Step 4: Simplify right side
    204,913.96x = 26,610,211,628.68
  5. Step 5: Solve for x
    x = 26,610,211,628.68/204,913.96
  6. Step 6: Final answer
    x = 129,860.41

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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.