Home / 212,650.11-293,499.65-122,067.32

Finding the Fourth Proportional to 212,650.11, 293,499.65 and 122,067.32

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Solution

The fourth proportional to 212,650.11, 293,499.65 and 122,067.32 is: 168,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,650.11 : 293,499.65 = 122,067.32 : x
  2. Step 2: Convert to fraction form
    212,650.11/293,499.65 = 122,067.32/x
  3. Step 3: Cross multiply
    212,650.11x = 293,499.65 × 122,067.32
  4. Step 4: Simplify right side
    212,650.11x = 35,826,714,534.11
  5. Step 5: Solve for x
    x = 35,826,714,534.11/212,650.11
  6. Step 6: Final answer
    x = 168,477.29

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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.