Home / 209,750.14-289,453.71-114,256.54

Finding the Fourth Proportional to 209,750.14, 289,453.71 and 114,256.54

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Solution

The fourth proportional to 209,750.14, 289,453.71 and 114,256.54 is: 157,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,750.14 : 289,453.71 = 114,256.54 : x
  2. Step 2: Convert to fraction form
    209,750.14/289,453.71 = 114,256.54/x
  3. Step 3: Cross multiply
    209,750.14x = 289,453.71 × 114,256.54
  4. Step 4: Simplify right side
    209,750.14x = 33,071,979,394.76
  5. Step 5: Solve for x
    x = 33,071,979,394.76/209,750.14
  6. Step 6: Final answer
    x = 157,673.22

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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.