Home / 213,783.21-295,016.27-116,986.68

Finding the Fourth Proportional to 213,783.21, 295,016.27 and 116,986.68

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Solution

The fourth proportional to 213,783.21, 295,016.27 and 116,986.68 is: 161,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,783.21 : 295,016.27 = 116,986.68 : x
  2. Step 2: Convert to fraction form
    213,783.21/295,016.27 = 116,986.68/x
  3. Step 3: Cross multiply
    213,783.21x = 295,016.27 × 116,986.68
  4. Step 4: Simplify right side
    213,783.21x = 34,512,973,388.35
  5. Step 5: Solve for x
    x = 34,512,973,388.35/213,783.21
  6. Step 6: Final answer
    x = 161,439.12

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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.