Home / 209,269.06-288,785.37-113,773.54

Finding the Fourth Proportional to 209,269.06, 288,785.37 and 113,773.54

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Solution

The fourth proportional to 209,269.06, 288,785.37 and 113,773.54 is: 157,004.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,269.06 : 288,785.37 = 113,773.54 : x
  2. Step 2: Convert to fraction form
    209,269.06/288,785.37 = 113,773.54/x
  3. Step 3: Cross multiply
    209,269.06x = 288,785.37 × 113,773.54
  4. Step 4: Simplify right side
    209,269.06x = 32,856,133,845.11
  5. Step 5: Solve for x
    x = 32,856,133,845.11/209,269.06
  6. Step 6: Final answer
    x = 157,004.26

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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.