Home / 200,328.64-276,450.96-115,453.60

Finding the Fourth Proportional to 200,328.64, 276,450.96 and 115,453.60

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Solution

The fourth proportional to 200,328.64, 276,450.96 and 115,453.60 is: 159,324.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,328.64 : 276,450.96 = 115,453.60 : x
  2. Step 2: Convert to fraction form
    200,328.64/276,450.96 = 115,453.60/x
  3. Step 3: Cross multiply
    200,328.64x = 276,450.96 × 115,453.60
  4. Step 4: Simplify right side
    200,328.64x = 31,917,258,555.46
  5. Step 5: Solve for x
    x = 31,917,258,555.46/200,328.64
  6. Step 6: Final answer
    x = 159,324.49

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1.5x scale

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.