Home / 223,460.96-308,382.20-121,493.28

Finding the Fourth Proportional to 223,460.96, 308,382.20 and 121,493.28

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Solution

The fourth proportional to 223,460.96, 308,382.20 and 121,493.28 is: 167,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,460.96 : 308,382.20 = 121,493.28 : x
  2. Step 2: Convert to fraction form
    223,460.96/308,382.20 = 121,493.28/x
  3. Step 3: Cross multiply
    223,460.96x = 308,382.20 × 121,493.28
  4. Step 4: Simplify right side
    223,460.96x = 37,466,364,971.62
  5. Step 5: Solve for x
    x = 37,466,364,971.62/223,460.96
  6. Step 6: Final answer
    x = 167,664.03

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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.