Home / 216,434.13-298,673.37-120,941.61

Finding the Fourth Proportional to 216,434.13, 298,673.37 and 120,941.61

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Solution

The fourth proportional to 216,434.13, 298,673.37 and 120,941.61 is: 166,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,434.13 : 298,673.37 = 120,941.61 : x
  2. Step 2: Convert to fraction form
    216,434.13/298,673.37 = 120,941.61/x
  3. Step 3: Cross multiply
    216,434.13x = 298,673.37 × 120,941.61
  4. Step 4: Simplify right side
    216,434.13x = 36,122,038,231.93
  5. Step 5: Solve for x
    x = 36,122,038,231.93/216,434.13
  6. Step 6: Final answer
    x = 166,896.22

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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.