Home / 398,042.06-596,952.24-131,823.32

Finding the Fourth Proportional to 398,042.06, 596,952.24 and 131,823.32

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Solution

The fourth proportional to 398,042.06, 596,952.24 and 131,823.32 is: 197,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,042.06 : 596,952.24 = 131,823.32 : x
  2. Step 2: Convert to fraction form
    398,042.06/596,952.24 = 131,823.32/x
  3. Step 3: Cross multiply
    398,042.06x = 596,952.24 × 131,823.32
  4. Step 4: Simplify right side
    398,042.06x = 78,692,226,158.24
  5. Step 5: Solve for x
    x = 78,692,226,158.24/398,042.06
  6. Step 6: Final answer
    x = 197,698.27

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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.