Home / 330,659.45-456,352.25-194,706.05

Finding the Fourth Proportional to 330,659.45, 456,352.25 and 194,706.05

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Solution

The fourth proportional to 330,659.45, 456,352.25 and 194,706.05 is: 268,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,659.45 : 456,352.25 = 194,706.05 : x
  2. Step 2: Convert to fraction form
    330,659.45/456,352.25 = 194,706.05/x
  3. Step 3: Cross multiply
    330,659.45x = 456,352.25 × 194,706.05
  4. Step 4: Simplify right side
    330,659.45x = 88,854,541,161.53
  5. Step 5: Solve for x
    x = 88,854,541,161.53/330,659.45
  6. Step 6: Final answer
    x = 268,719.20

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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.