Home / 330,318.12-455,836.50-179,416.20

Finding the Fourth Proportional to 330,318.12, 455,836.50 and 179,416.20

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Solution

The fourth proportional to 330,318.12, 455,836.50 and 179,416.20 is: 247,593.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,318.12 : 455,836.50 = 179,416.20 : x
  2. Step 2: Convert to fraction form
    330,318.12/455,836.50 = 179,416.20/x
  3. Step 3: Cross multiply
    330,318.12x = 455,836.50 × 179,416.20
  4. Step 4: Simplify right side
    330,318.12x = 81,784,452,651.30
  5. Step 5: Solve for x
    x = 81,784,452,651.30/330,318.12
  6. Step 6: Final answer
    x = 247,593.00

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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.