Home / 219,318.40-328,540.20-114,196.60

Finding the Fourth Proportional to 219,318.40, 328,540.20 and 114,196.60

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Solution

The fourth proportional to 219,318.40, 328,540.20 and 114,196.60 is: 171,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,318.40 : 328,540.20 = 114,196.60 : x
  2. Step 2: Convert to fraction form
    219,318.40/328,540.20 = 114,196.60/x
  3. Step 3: Cross multiply
    219,318.40x = 328,540.20 × 114,196.60
  4. Step 4: Simplify right side
    219,318.40x = 37,518,173,803.32
  5. Step 5: Solve for x
    x = 37,518,173,803.32/219,318.40
  6. Step 6: Final answer
    x = 171,067.15

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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.