Home / 208,673.27-313,032.89-66,485.46

Finding the Fourth Proportional to 208,673.27, 313,032.89 and 66,485.46

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Solution

The fourth proportional to 208,673.27, 313,032.89 and 66,485.46 is: 99,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,673.27 : 313,032.89 = 66,485.46 : x
  2. Step 2: Convert to fraction form
    208,673.27/313,032.89 = 66,485.46/x
  3. Step 3: Cross multiply
    208,673.27x = 313,032.89 × 66,485.46
  4. Step 4: Simplify right side
    208,673.27x = 20,812,135,686.78
  5. Step 5: Solve for x
    x = 20,812,135,686.78/208,673.27
  6. Step 6: Final answer
    x = 99,735.51

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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.