Home / 154,648.44-213,844.32-122,762.04

Finding the Fourth Proportional to 154,648.44, 213,844.32 and 122,762.04

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Solution

The fourth proportional to 154,648.44, 213,844.32 and 122,762.04 is: 169,752.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,648.44 : 213,844.32 = 122,762.04 : x
  2. Step 2: Convert to fraction form
    154,648.44/213,844.32 = 122,762.04/x
  3. Step 3: Cross multiply
    154,648.44x = 213,844.32 × 122,762.04
  4. Step 4: Simplify right side
    154,648.44x = 26,251,964,965.61
  5. Step 5: Solve for x
    x = 26,251,964,965.61/154,648.44
  6. Step 6: Final answer
    x = 169,752.54

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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.