Home / 398,271.24-597,277.67-131,960.25

Finding the Fourth Proportional to 398,271.24, 597,277.67 and 131,960.25

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Solution

The fourth proportional to 398,271.24, 597,277.67 and 131,960.25 is: 197,897.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,271.24 : 597,277.67 = 131,960.25 : x
  2. Step 2: Convert to fraction form
    398,271.24/597,277.67 = 131,960.25/x
  3. Step 3: Cross multiply
    398,271.24x = 597,277.67 × 131,960.25
  4. Step 4: Simplify right side
    398,271.24x = 78,816,909,992.82
  5. Step 5: Solve for x
    x = 78,816,909,992.82/398,271.24
  6. Step 6: Final answer
    x = 197,897.57

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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.