Home / 205,421.61-283,453.64-114,766.32

Finding the Fourth Proportional to 205,421.61, 283,453.64 and 114,766.32

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Solution

The fourth proportional to 205,421.61, 283,453.64 and 114,766.32 is: 158,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,421.61 : 283,453.64 = 114,766.32 : x
  2. Step 2: Convert to fraction form
    205,421.61/283,453.64 = 114,766.32/x
  3. Step 3: Cross multiply
    205,421.61x = 283,453.64 × 114,766.32
  4. Step 4: Simplify right side
    205,421.61x = 32,530,930,579.57
  5. Step 5: Solve for x
    x = 32,530,930,579.57/205,421.61
  6. Step 6: Final answer
    x = 158,361.77

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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.