Home / 211,629.26-292,056.82-116,139.38

Finding the Fourth Proportional to 211,629.26, 292,056.82 and 116,139.38

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Solution

The fourth proportional to 211,629.26, 292,056.82 and 116,139.38 is: 160,276.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,629.26 : 292,056.82 = 116,139.38 : x
  2. Step 2: Convert to fraction form
    211,629.26/292,056.82 = 116,139.38/x
  3. Step 3: Cross multiply
    211,629.26x = 292,056.82 × 116,139.38
  4. Step 4: Simplify right side
    211,629.26x = 33,919,297,999.57
  5. Step 5: Solve for x
    x = 33,919,297,999.57/211,629.26
  6. Step 6: Final answer
    x = 160,276.98

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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.