Home / 330,619.45-456,255.14-179,716.45

Finding the Fourth Proportional to 330,619.45, 456,255.14 and 179,716.45

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Solution

The fourth proportional to 330,619.45, 456,255.14 and 179,716.45 is: 248,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,619.45 : 456,255.14 = 179,716.45 : x
  2. Step 2: Convert to fraction form
    330,619.45/456,255.14 = 179,716.45/x
  3. Step 3: Cross multiply
    330,619.45x = 456,255.14 × 179,716.45
  4. Step 4: Simplify right side
    330,619.45x = 81,996,553,156.47
  5. Step 5: Solve for x
    x = 81,996,553,156.47/330,619.45
  6. Step 6: Final answer
    x = 248,008.86

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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.