Home / 223,579.36-308,533.08-122,977.36

Finding the Fourth Proportional to 223,579.36, 308,533.08 and 122,977.36

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Solution

The fourth proportional to 223,579.36, 308,533.08 and 122,977.36 is: 169,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,579.36 : 308,533.08 = 122,977.36 : x
  2. Step 2: Convert to fraction form
    223,579.36/308,533.08 = 122,977.36/x
  3. Step 3: Cross multiply
    223,579.36x = 308,533.08 × 122,977.36
  4. Step 4: Simplify right side
    223,579.36x = 37,942,583,651.07
  5. Step 5: Solve for x
    x = 37,942,583,651.07/223,579.36
  6. Step 6: Final answer
    x = 169,705.22

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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.