Home / 340,016.15-469,193.36-196,785.06

Finding the Fourth Proportional to 340,016.15, 469,193.36 and 196,785.06

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Solution

The fourth proportional to 340,016.15, 469,193.36 and 196,785.06 is: 271,546.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,016.15 : 469,193.36 = 196,785.06 : x
  2. Step 2: Convert to fraction form
    340,016.15/469,193.36 = 196,785.06/x
  3. Step 3: Cross multiply
    340,016.15x = 469,193.36 × 196,785.06
  4. Step 4: Simplify right side
    340,016.15x = 92,330,242,515.28
  5. Step 5: Solve for x
    x = 92,330,242,515.28/340,016.15
  6. Step 6: Final answer
    x = 271,546.64

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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.