Home / 205,417.63-283,474.38-114,789.21

Finding the Fourth Proportional to 205,417.63, 283,474.38 and 114,789.21

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Solution

The fourth proportional to 205,417.63, 283,474.38 and 114,789.21 is: 158,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,417.63 : 283,474.38 = 114,789.21 : x
  2. Step 2: Convert to fraction form
    205,417.63/283,474.38 = 114,789.21/x
  3. Step 3: Cross multiply
    205,417.63x = 283,474.38 × 114,789.21
  4. Step 4: Simplify right side
    205,417.63x = 32,539,800,135.44
  5. Step 5: Solve for x
    x = 32,539,800,135.44/205,417.63
  6. Step 6: Final answer
    x = 158,408.02

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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.