Home / 200,418.69-276,509.14-114,315.80

Finding the Fourth Proportional to 200,418.69, 276,509.14 and 114,315.80

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Solution

The fourth proportional to 200,418.69, 276,509.14 and 114,315.80 is: 157,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,418.69 : 276,509.14 = 114,315.80 : x
  2. Step 2: Convert to fraction form
    200,418.69/276,509.14 = 114,315.80/x
  3. Step 3: Cross multiply
    200,418.69x = 276,509.14 × 114,315.80
  4. Step 4: Simplify right side
    200,418.69x = 31,609,363,951.90
  5. Step 5: Solve for x
    x = 31,609,363,951.90/200,418.69
  6. Step 6: Final answer
    x = 157,716.65

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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.