Home / 223,013.44-307,755.94-121,039.08

Finding the Fourth Proportional to 223,013.44, 307,755.94 and 121,039.08

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Solution

The fourth proportional to 223,013.44, 307,755.94 and 121,039.08 is: 167,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,013.44 : 307,755.94 = 121,039.08 : x
  2. Step 2: Convert to fraction form
    223,013.44/307,755.94 = 121,039.08/x
  3. Step 3: Cross multiply
    223,013.44x = 307,755.94 × 121,039.08
  4. Step 4: Simplify right side
    223,013.44x = 37,250,495,842.14
  5. Step 5: Solve for x
    x = 37,250,495,842.14/223,013.44
  6. Step 6: Final answer
    x = 167,032.52

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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.