Home / 213,902.61-295,185.69-117,112.74

Finding the Fourth Proportional to 213,902.61, 295,185.69 and 117,112.74

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Solution

The fourth proportional to 213,902.61, 295,185.69 and 117,112.74 is: 161,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,902.61 : 295,185.69 = 117,112.74 : x
  2. Step 2: Convert to fraction form
    213,902.61/295,185.69 = 117,112.74/x
  3. Step 3: Cross multiply
    213,902.61x = 295,185.69 × 117,112.74
  4. Step 4: Simplify right side
    213,902.61x = 34,570,004,843.19
  5. Step 5: Solve for x
    x = 34,570,004,843.19/213,902.61
  6. Step 6: Final answer
    x = 161,615.63

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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.