Home / 330,623.20-456,260.32-179,720.20

Finding the Fourth Proportional to 330,623.20, 456,260.32 and 179,720.20

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Solution

The fourth proportional to 330,623.20, 456,260.32 and 179,720.20 is: 248,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,623.20 : 456,260.32 = 179,720.20 : x
  2. Step 2: Convert to fraction form
    330,623.20/456,260.32 = 179,720.20/x
  3. Step 3: Cross multiply
    330,623.20x = 456,260.32 × 179,720.20
  4. Step 4: Simplify right side
    330,623.20x = 81,999,195,962.46
  5. Step 5: Solve for x
    x = 81,999,195,962.46/330,623.20
  6. Step 6: Final answer
    x = 248,014.04

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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.