Home / 211,661.79-292,092.39-114,863.55

Finding the Fourth Proportional to 211,661.79, 292,092.39 and 114,863.55

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Solution

The fourth proportional to 211,661.79, 292,092.39 and 114,863.55 is: 158,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,661.79 : 292,092.39 = 114,863.55 : x
  2. Step 2: Convert to fraction form
    211,661.79/292,092.39 = 114,863.55/x
  3. Step 3: Cross multiply
    211,661.79x = 292,092.39 × 114,863.55
  4. Step 4: Simplify right side
    211,661.79x = 33,550,768,843.38
  5. Step 5: Solve for x
    x = 33,550,768,843.38/211,661.79
  6. Step 6: Final answer
    x = 158,511.22

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1.5x scale

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.