Home / 330,731.20-456,396.48-179,828.32

Finding the Fourth Proportional to 330,731.20, 456,396.48 and 179,828.32

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Solution

The fourth proportional to 330,731.20, 456,396.48 and 179,828.32 is: 248,156.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,731.20 : 456,396.48 = 179,828.32 : x
  2. Step 2: Convert to fraction form
    330,731.20/456,396.48 = 179,828.32/x
  3. Step 3: Cross multiply
    330,731.20x = 456,396.48 × 179,828.32
  4. Step 4: Simplify right side
    330,731.20x = 82,073,012,252.31
  5. Step 5: Solve for x
    x = 82,073,012,252.31/330,731.20
  6. Step 6: Final answer
    x = 248,156.24

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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.