Home / 327,548.10-491,316.66-147,533.40

Finding the Fourth Proportional to 327,548.10, 491,316.66 and 147,533.40

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Solution

The fourth proportional to 327,548.10, 491,316.66 and 147,533.40 is: 221,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,548.10 : 491,316.66 = 147,533.40 : x
  2. Step 2: Convert to fraction form
    327,548.10/491,316.66 = 147,533.40/x
  3. Step 3: Cross multiply
    327,548.10x = 491,316.66 × 147,533.40
  4. Step 4: Simplify right side
    327,548.10x = 72,485,617,326.44
  5. Step 5: Solve for x
    x = 72,485,617,326.44/327,548.10
  6. Step 6: Final answer
    x = 221,297.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.