Home / 275,738.54-413,962.02-212,598.77

Finding the Fourth Proportional to 275,738.54, 413,962.02 and 212,598.77

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Solution

The fourth proportional to 275,738.54, 413,962.02 and 212,598.77 is: 319,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,738.54 : 413,962.02 = 212,598.77 : x
  2. Step 2: Convert to fraction form
    275,738.54/413,962.02 = 212,598.77/x
  3. Step 3: Cross multiply
    275,738.54x = 413,962.02 × 212,598.77
  4. Step 4: Simplify right side
    275,738.54x = 88,007,815,215.72
  5. Step 5: Solve for x
    x = 88,007,815,215.72/275,738.54
  6. Step 6: Final answer
    x = 319,171.25

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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.