Home / 323,582.58-485,388.45-123,851.16

Finding the Fourth Proportional to 323,582.58, 485,388.45 and 123,851.16

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Solution

The fourth proportional to 323,582.58, 485,388.45 and 123,851.16 is: 185,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,582.58 : 485,388.45 = 123,851.16 : x
  2. Step 2: Convert to fraction form
    323,582.58/485,388.45 = 123,851.16/x
  3. Step 3: Cross multiply
    323,582.58x = 485,388.45 × 123,851.16
  4. Step 4: Simplify right side
    323,582.58x = 60,115,922,583.10
  5. Step 5: Solve for x
    x = 60,115,922,583.10/323,582.58
  6. Step 6: Final answer
    x = 185,782.32

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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.