Home / 330,789.58-456,489.36-179,886.58

Finding the Fourth Proportional to 330,789.58, 456,489.36 and 179,886.58

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Solution

The fourth proportional to 330,789.58, 456,489.36 and 179,886.58 is: 248,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,789.58 : 456,489.36 = 179,886.58 : x
  2. Step 2: Convert to fraction form
    330,789.58/456,489.36 = 179,886.58/x
  3. Step 3: Cross multiply
    330,789.58x = 456,489.36 × 179,886.58
  4. Step 4: Simplify right side
    330,789.58x = 82,116,309,776.79
  5. Step 5: Solve for x
    x = 82,116,309,776.79/330,789.58
  6. Step 6: Final answer
    x = 248,243.34

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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.