Home / 326,810.64-450,928.73-190,782.85

Finding the Fourth Proportional to 326,810.64, 450,928.73 and 190,782.85

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Solution

The fourth proportional to 326,810.64, 450,928.73 and 190,782.85 is: 263,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,810.64 : 450,928.73 = 190,782.85 : x
  2. Step 2: Convert to fraction form
    326,810.64/450,928.73 = 190,782.85/x
  3. Step 3: Cross multiply
    326,810.64x = 450,928.73 × 190,782.85
  4. Step 4: Simplify right side
    326,810.64x = 86,029,467,866.03
  5. Step 5: Solve for x
    x = 86,029,467,866.03/326,810.64
  6. Step 6: Final answer
    x = 263,239.50

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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.