Home / 204,656.58-306,969.89-64,455.30

Finding the Fourth Proportional to 204,656.58, 306,969.89 and 64,455.30

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Solution

The fourth proportional to 204,656.58, 306,969.89 and 64,455.30 is: 96,678.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,656.58 : 306,969.89 = 64,455.30 : x
  2. Step 2: Convert to fraction form
    204,656.58/306,969.89 = 64,455.30/x
  3. Step 3: Cross multiply
    204,656.58x = 306,969.89 × 64,455.30
  4. Step 4: Simplify right side
    204,656.58x = 19,785,836,028.64
  5. Step 5: Solve for x
    x = 19,785,836,028.64/204,656.58
  6. Step 6: Final answer
    x = 96,678.23

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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.