Home / 431,182.21-646,867.98-127,552.60

Finding the Fourth Proportional to 431,182.21, 646,867.98 and 127,552.60

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Solution

The fourth proportional to 431,182.21, 646,867.98 and 127,552.60 is: 191,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,182.21 : 646,867.98 = 127,552.60 : x
  2. Step 2: Convert to fraction form
    431,182.21/646,867.98 = 127,552.60/x
  3. Step 3: Cross multiply
    431,182.21x = 646,867.98 × 127,552.60
  4. Step 4: Simplify right side
    431,182.21x = 82,509,690,234.44
  5. Step 5: Solve for x
    x = 82,509,690,234.44/431,182.21
  6. Step 6: Final answer
    x = 191,356.90

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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.