Home / 216,433.26-298,679.40-120,943.98

Finding the Fourth Proportional to 216,433.26, 298,679.40 and 120,943.98

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Solution

The fourth proportional to 216,433.26, 298,679.40 and 120,943.98 is: 166,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,433.26 : 298,679.40 = 120,943.98 : x
  2. Step 2: Convert to fraction form
    216,433.26/298,679.40 = 120,943.98/x
  3. Step 3: Cross multiply
    216,433.26x = 298,679.40 × 120,943.98
  4. Step 4: Simplify right side
    216,433.26x = 36,123,475,380.01
  5. Step 5: Solve for x
    x = 36,123,475,380.01/216,433.26
  6. Step 6: Final answer
    x = 166,903.53

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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.