Home / 209,608.22-289,265.40-114,116.54

Finding the Fourth Proportional to 209,608.22, 289,265.40 and 114,116.54

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Solution

The fourth proportional to 209,608.22, 289,265.40 and 114,116.54 is: 157,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,608.22 : 289,265.40 = 114,116.54 : x
  2. Step 2: Convert to fraction form
    209,608.22/289,265.40 = 114,116.54/x
  3. Step 3: Cross multiply
    209,608.22x = 289,265.40 × 114,116.54
  4. Step 4: Simplify right side
    209,608.22x = 33,009,966,589.72
  5. Step 5: Solve for x
    x = 33,009,966,589.72/209,608.22
  6. Step 6: Final answer
    x = 157,484.12

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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.