Home / 213,163.32-294,165.10-117,669.79

Finding the Fourth Proportional to 213,163.32, 294,165.10 and 117,669.79

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Solution

The fourth proportional to 213,163.32, 294,165.10 and 117,669.79 is: 162,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,163.32 : 294,165.10 = 117,669.79 : x
  2. Step 2: Convert to fraction form
    213,163.32/294,165.10 = 117,669.79/x
  3. Step 3: Cross multiply
    213,163.32x = 294,165.10 × 117,669.79
  4. Step 4: Simplify right side
    213,163.32x = 34,614,346,057.12
  5. Step 5: Solve for x
    x = 34,614,346,057.12/213,163.32
  6. Step 6: Final answer
    x = 162,384.15

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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.