Home / 326,814.64-450,934.24-190,786.85

Finding the Fourth Proportional to 326,814.64, 450,934.24 and 190,786.85

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Solution

The fourth proportional to 326,814.64, 450,934.24 and 190,786.85 is: 263,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,814.64 : 450,934.24 = 190,786.85 : x
  2. Step 2: Convert to fraction form
    326,814.64/450,934.24 = 190,786.85/x
  3. Step 3: Cross multiply
    326,814.64x = 450,934.24 × 190,786.85
  4. Step 4: Simplify right side
    326,814.64x = 86,032,323,206.74
  5. Step 5: Solve for x
    x = 86,032,323,206.74/326,814.64
  6. Step 6: Final answer
    x = 263,245.01

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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.