Home / 141,022.40-211,533.60-131,180.90

Finding the Fourth Proportional to 141,022.40, 211,533.60 and 131,180.90

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Solution

The fourth proportional to 141,022.40, 211,533.60 and 131,180.90 is: 196,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,022.40 : 211,533.60 = 131,180.90 : x
  2. Step 2: Convert to fraction form
    141,022.40/211,533.60 = 131,180.90/x
  3. Step 3: Cross multiply
    141,022.40x = 211,533.60 × 131,180.90
  4. Step 4: Simplify right side
    141,022.40x = 27,749,168,028.24
  5. Step 5: Solve for x
    x = 27,749,168,028.24/141,022.40
  6. Step 6: Final answer
    x = 196,771.35

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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.