Home / 397,101.25-595,725.68-130,880.47

Finding the Fourth Proportional to 397,101.25, 595,725.68 and 130,880.47

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Solution

The fourth proportional to 397,101.25, 595,725.68 and 130,880.47 is: 196,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,101.25 : 595,725.68 = 130,880.47 : x
  2. Step 2: Convert to fraction form
    397,101.25/595,725.68 = 130,880.47/x
  3. Step 3: Cross multiply
    397,101.25x = 595,725.68 × 130,880.47
  4. Step 4: Simplify right side
    397,101.25x = 77,968,856,335.07
  5. Step 5: Solve for x
    x = 77,968,856,335.07/397,101.25
  6. Step 6: Final answer
    x = 196,345.03

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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.