Home / 343,786.50-474,416.30-190,824.27

Finding the Fourth Proportional to 343,786.50, 474,416.30 and 190,824.27

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Solution

The fourth proportional to 343,786.50, 474,416.30 and 190,824.27 is: 263,332.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,786.50 : 474,416.30 = 190,824.27 : x
  2. Step 2: Convert to fraction form
    343,786.50/474,416.30 = 190,824.27/x
  3. Step 3: Cross multiply
    343,786.50x = 474,416.30 × 190,824.27
  4. Step 4: Simplify right side
    343,786.50x = 90,530,143,169.48
  5. Step 5: Solve for x
    x = 90,530,143,169.48/343,786.50
  6. Step 6: Final answer
    x = 263,332.46

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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.