Home / 223,553.19-308,505.48-121,579.62

Finding the Fourth Proportional to 223,553.19, 308,505.48 and 121,579.62

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Solution

The fourth proportional to 223,553.19, 308,505.48 and 121,579.62 is: 167,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,553.19 : 308,505.48 = 121,579.62 : x
  2. Step 2: Convert to fraction form
    223,553.19/308,505.48 = 121,579.62/x
  3. Step 3: Cross multiply
    223,553.19x = 308,505.48 × 121,579.62
  4. Step 4: Simplify right side
    223,553.19x = 37,507,979,026.32
  5. Step 5: Solve for x
    x = 37,507,979,026.32/223,553.19
  6. Step 6: Final answer
    x = 167,781.01

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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.