Home / 213,934.08-295,217.78-117,119.40

Finding the Fourth Proportional to 213,934.08, 295,217.78 and 117,119.40

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Solution

The fourth proportional to 213,934.08, 295,217.78 and 117,119.40 is: 161,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,934.08 : 295,217.78 = 117,119.40 : x
  2. Step 2: Convert to fraction form
    213,934.08/295,217.78 = 117,119.40/x
  3. Step 3: Cross multiply
    213,934.08x = 295,217.78 × 117,119.40
  4. Step 4: Simplify right side
    213,934.08x = 34,575,729,262.93
  5. Step 5: Solve for x
    x = 34,575,729,262.93/213,934.08
  6. Step 6: Final answer
    x = 161,618.61

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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.