Home / 286,529.37-395,403.39-159,205.29

Finding the Fourth Proportional to 286,529.37, 395,403.39 and 159,205.29

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Solution

The fourth proportional to 286,529.37, 395,403.39 and 159,205.29 is: 219,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,529.37 : 395,403.39 = 159,205.29 : x
  2. Step 2: Convert to fraction form
    286,529.37/395,403.39 = 159,205.29/x
  3. Step 3: Cross multiply
    286,529.37x = 395,403.39 × 159,205.29
  4. Step 4: Simplify right side
    286,529.37x = 62,950,311,371.93
  5. Step 5: Solve for x
    x = 62,950,311,371.93/286,529.37
  6. Step 6: Final answer
    x = 219,699.33

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1.5x scale

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.