Home / 210,185.80-290,057.14-114,694.60

Finding the Fourth Proportional to 210,185.80, 290,057.14 and 114,694.60

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Solution

The fourth proportional to 210,185.80, 290,057.14 and 114,694.60 is: 158,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,185.80 : 290,057.14 = 114,694.60 : x
  2. Step 2: Convert to fraction form
    210,185.80/290,057.14 = 114,694.60/x
  3. Step 3: Cross multiply
    210,185.80x = 290,057.14 × 114,694.60
  4. Step 4: Simplify right side
    210,185.80x = 33,267,987,649.44
  5. Step 5: Solve for x
    x = 33,267,987,649.44/210,185.80
  6. Step 6: Final answer
    x = 158,278.95

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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.