Home / 330,035.28-455,449.86-179,132.28

Finding the Fourth Proportional to 330,035.28, 455,449.86 and 179,132.28

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Solution

The fourth proportional to 330,035.28, 455,449.86 and 179,132.28 is: 247,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,035.28 : 455,449.86 = 179,132.28 : x
  2. Step 2: Convert to fraction form
    330,035.28/455,449.86 = 179,132.28/x
  3. Step 3: Cross multiply
    330,035.28x = 455,449.86 × 179,132.28
  4. Step 4: Simplify right side
    330,035.28x = 81,585,771,847.48
  5. Step 5: Solve for x
    x = 81,585,771,847.48/330,035.28
  6. Step 6: Final answer
    x = 247,203.18

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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.