Home / 209,578.41-289,218.24-114,085.82

Finding the Fourth Proportional to 209,578.41, 289,218.24 and 114,085.82

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Solution

The fourth proportional to 209,578.41, 289,218.24 and 114,085.82 is: 157,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,578.41 : 289,218.24 = 114,085.82 : x
  2. Step 2: Convert to fraction form
    209,578.41/289,218.24 = 114,085.82/x
  3. Step 3: Cross multiply
    209,578.41x = 289,218.24 × 114,085.82
  4. Step 4: Simplify right side
    209,578.41x = 32,995,698,623.27
  5. Step 5: Solve for x
    x = 32,995,698,623.27/209,578.41
  6. Step 6: Final answer
    x = 157,438.44

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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.