Home / 330,686.28-456,344.82-179,783.28

Finding the Fourth Proportional to 330,686.28, 456,344.82 and 179,783.28

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Solution

The fourth proportional to 330,686.28, 456,344.82 and 179,783.28 is: 248,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,686.28 : 456,344.82 = 179,783.28 : x
  2. Step 2: Convert to fraction form
    330,686.28/456,344.82 = 179,783.28/x
  3. Step 3: Cross multiply
    330,686.28x = 456,344.82 × 179,783.28
  4. Step 4: Simplify right side
    330,686.28x = 82,043,168,550.61
  5. Step 5: Solve for x
    x = 82,043,168,550.61/330,686.28
  6. Step 6: Final answer
    x = 248,099.71

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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.