Home / 223,579.86-308,533.77-122,977.86

Finding the Fourth Proportional to 223,579.86, 308,533.77 and 122,977.86

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Solution

The fourth proportional to 223,579.86, 308,533.77 and 122,977.86 is: 169,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,579.86 : 308,533.77 = 122,977.86 : x
  2. Step 2: Convert to fraction form
    223,579.86/308,533.77 = 122,977.86/x
  3. Step 3: Cross multiply
    223,579.86x = 308,533.77 × 122,977.86
  4. Step 4: Simplify right side
    223,579.86x = 37,942,822,772.33
  5. Step 5: Solve for x
    x = 37,942,822,772.33/223,579.86
  6. Step 6: Final answer
    x = 169,705.91

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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.