Home / 223,178.24-307,985.96-122,576.24

Finding the Fourth Proportional to 223,178.24, 307,985.96 and 122,576.24

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Solution

The fourth proportional to 223,178.24, 307,985.96 and 122,576.24 is: 169,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,178.24 : 307,985.96 = 122,576.24 : x
  2. Step 2: Convert to fraction form
    223,178.24/307,985.96 = 122,576.24/x
  3. Step 3: Cross multiply
    223,178.24x = 307,985.96 × 122,576.24
  4. Step 4: Simplify right side
    223,178.24x = 37,751,760,949.59
  5. Step 5: Solve for x
    x = 37,751,760,949.59/223,178.24
  6. Step 6: Final answer
    x = 169,155.21

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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.