Home / 211,305.23-291,600.64-114,511.78

Finding the Fourth Proportional to 211,305.23, 291,600.64 and 114,511.78

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Solution

The fourth proportional to 211,305.23, 291,600.64 and 114,511.78 is: 158,025.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,305.23 : 291,600.64 = 114,511.78 : x
  2. Step 2: Convert to fraction form
    211,305.23/291,600.64 = 114,511.78/x
  3. Step 3: Cross multiply
    211,305.23x = 291,600.64 × 114,511.78
  4. Step 4: Simplify right side
    211,305.23x = 33,391,708,335.54
  5. Step 5: Solve for x
    x = 33,391,708,335.54/211,305.23
  6. Step 6: Final answer
    x = 158,025.94

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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.