Home / 340,818.32-470,328.36-197,661.44

Finding the Fourth Proportional to 340,818.32, 470,328.36 and 197,661.44

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Solution

The fourth proportional to 340,818.32, 470,328.36 and 197,661.44 is: 272,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,818.32 : 470,328.36 = 197,661.44 : x
  2. Step 2: Convert to fraction form
    340,818.32/470,328.36 = 197,661.44/x
  3. Step 3: Cross multiply
    340,818.32x = 470,328.36 × 197,661.44
  4. Step 4: Simplify right side
    340,818.32x = 92,965,780,910.44
  5. Step 5: Solve for x
    x = 92,965,780,910.44/340,818.32
  6. Step 6: Final answer
    x = 272,772.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.