Home / 285,739.98-394,301.91-164,886.30

Finding the Fourth Proportional to 285,739.98, 394,301.91 and 164,886.30

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Solution

The fourth proportional to 285,739.98, 394,301.91 and 164,886.30 is: 227,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,739.98 : 394,301.91 = 164,886.30 : x
  2. Step 2: Convert to fraction form
    285,739.98/394,301.91 = 164,886.30/x
  3. Step 3: Cross multiply
    285,739.98x = 394,301.91 × 164,886.30
  4. Step 4: Simplify right side
    285,739.98x = 65,014,983,022.83
  5. Step 5: Solve for x
    x = 65,014,983,022.83/285,739.98
  6. Step 6: Final answer
    x = 227,531.98

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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.