Home / 275,927.40-413,891.10-191,946.60

Finding the Fourth Proportional to 275,927.40, 413,891.10 and 191,946.60

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Solution

The fourth proportional to 275,927.40, 413,891.10 and 191,946.60 is: 287,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,927.40 : 413,891.10 = 191,946.60 : x
  2. Step 2: Convert to fraction form
    275,927.40/413,891.10 = 191,946.60/x
  3. Step 3: Cross multiply
    275,927.40x = 413,891.10 × 191,946.60
  4. Step 4: Simplify right side
    275,927.40x = 79,444,989,415.26
  5. Step 5: Solve for x
    x = 79,444,989,415.26/275,927.40
  6. Step 6: Final answer
    x = 287,919.90

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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.