Home / 208,666.02-313,043.58-84,007.02

Finding the Fourth Proportional to 208,666.02, 313,043.58 and 84,007.02

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Solution

The fourth proportional to 208,666.02, 313,043.58 and 84,007.02 is: 126,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,666.02 : 313,043.58 = 84,007.02 : x
  2. Step 2: Convert to fraction form
    208,666.02/313,043.58 = 84,007.02/x
  3. Step 3: Cross multiply
    208,666.02x = 313,043.58 × 84,007.02
  4. Step 4: Simplify right side
    208,666.02x = 26,297,858,285.93
  5. Step 5: Solve for x
    x = 26,297,858,285.93/208,666.02
  6. Step 6: Final answer
    x = 126,028.47

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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.