Home / 219,093.60-328,651.20-114,117.60

Finding the Fourth Proportional to 219,093.60, 328,651.20 and 114,117.60

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Solution

The fourth proportional to 219,093.60, 328,651.20 and 114,117.60 is: 171,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,093.60 : 328,651.20 = 114,117.60 : x
  2. Step 2: Convert to fraction form
    219,093.60/328,651.20 = 114,117.60/x
  3. Step 3: Cross multiply
    219,093.60x = 328,651.20 × 114,117.60
  4. Step 4: Simplify right side
    219,093.60x = 37,504,886,181.12
  5. Step 5: Solve for x
    x = 37,504,886,181.12/219,093.60
  6. Step 6: Final answer
    x = 171,182.03

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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.