Home / 330,536.96-456,128.16-179,630.72

Finding the Fourth Proportional to 330,536.96, 456,128.16 and 179,630.72

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Solution

The fourth proportional to 330,536.96, 456,128.16 and 179,630.72 is: 247,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,536.96 : 456,128.16 = 179,630.72 : x
  2. Step 2: Convert to fraction form
    330,536.96/456,128.16 = 179,630.72/x
  3. Step 3: Cross multiply
    330,536.96x = 456,128.16 × 179,630.72
  4. Step 4: Simplify right side
    330,536.96x = 81,934,629,793.08
  5. Step 5: Solve for x
    x = 81,934,629,793.08/330,536.96
  6. Step 6: Final answer
    x = 247,883.41

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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.