Home / 323,087.10-445,901.98-185,319.78

Finding the Fourth Proportional to 323,087.10, 445,901.98 and 185,319.78

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Solution

The fourth proportional to 323,087.10, 445,901.98 and 185,319.78 is: 255,765.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,087.10 : 445,901.98 = 185,319.78 : x
  2. Step 2: Convert to fraction form
    323,087.10/445,901.98 = 185,319.78/x
  3. Step 3: Cross multiply
    323,087.10x = 445,901.98 × 185,319.78
  4. Step 4: Simplify right side
    323,087.10x = 82,634,456,835.16
  5. Step 5: Solve for x
    x = 82,634,456,835.16/323,087.10
  6. Step 6: Final answer
    x = 255,765.26

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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.