Home / 343,786.26-474,416.15-190,816.55

Finding the Fourth Proportional to 343,786.26, 474,416.15 and 190,816.55

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Solution

The fourth proportional to 343,786.26, 474,416.15 and 190,816.55 is: 263,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,786.26 : 474,416.15 = 190,816.55 : x
  2. Step 2: Convert to fraction form
    343,786.26/474,416.15 = 190,816.55/x
  3. Step 3: Cross multiply
    343,786.26x = 474,416.15 × 190,816.55
  4. Step 4: Simplify right side
    343,786.26x = 90,526,449,681.12
  5. Step 5: Solve for x
    x = 90,526,449,681.12/343,786.26
  6. Step 6: Final answer
    x = 263,321.90

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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.