Home / 330,522.75-456,121.40-179,619.75

Finding the Fourth Proportional to 330,522.75, 456,121.40 and 179,619.75

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Solution

The fourth proportional to 330,522.75, 456,121.40 and 179,619.75 is: 247,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,522.75 : 456,121.40 = 179,619.75 : x
  2. Step 2: Convert to fraction form
    330,522.75/456,121.40 = 179,619.75/x
  3. Step 3: Cross multiply
    330,522.75x = 456,121.40 × 179,619.75
  4. Step 4: Simplify right side
    330,522.75x = 81,928,410,939.55
  5. Step 5: Solve for x
    x = 81,928,410,939.55/330,522.75
  6. Step 6: Final answer
    x = 247,875.26

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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.