Home / 319,938.12-441,475.38-203,611.48

Finding the Fourth Proportional to 319,938.12, 441,475.38 and 203,611.48

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Solution

The fourth proportional to 319,938.12, 441,475.38 and 203,611.48 is: 280,958.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,938.12 : 441,475.38 = 203,611.48 : x
  2. Step 2: Convert to fraction form
    319,938.12/441,475.38 = 203,611.48/x
  3. Step 3: Cross multiply
    319,938.12x = 441,475.38 × 203,611.48
  4. Step 4: Simplify right side
    319,938.12x = 89,889,455,505.36
  5. Step 5: Solve for x
    x = 89,889,455,505.36/319,938.12
  6. Step 6: Final answer
    x = 280,958.88

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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.