Home / 330,023.44-455,432.76-179,120.48

Finding the Fourth Proportional to 330,023.44, 455,432.76 and 179,120.48

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Solution

The fourth proportional to 330,023.44, 455,432.76 and 179,120.48 is: 247,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,023.44 : 455,432.76 = 179,120.48 : x
  2. Step 2: Convert to fraction form
    330,023.44/455,432.76 = 179,120.48/x
  3. Step 3: Cross multiply
    330,023.44x = 455,432.76 × 179,120.48
  4. Step 4: Simplify right side
    330,023.44x = 81,577,334,578.92
  5. Step 5: Solve for x
    x = 81,577,334,578.92/330,023.44
  6. Step 6: Final answer
    x = 247,186.49

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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.