Home / 397,240.08-595,878.40-131,023.92

Finding the Fourth Proportional to 397,240.08, 595,878.40 and 131,023.92

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Solution

The fourth proportional to 397,240.08, 595,878.40 and 131,023.92 is: 196,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,240.08 : 595,878.40 = 131,023.92 : x
  2. Step 2: Convert to fraction form
    397,240.08/595,878.40 = 131,023.92/x
  3. Step 3: Cross multiply
    397,240.08x = 595,878.40 × 131,023.92
  4. Step 4: Simplify right side
    397,240.08x = 78,074,323,811.33
  5. Step 5: Solve for x
    x = 78,074,323,811.33/397,240.08
  6. Step 6: Final answer
    x = 196,541.91

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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.