Home / 223,933.33-309,028.32-121,959.25

Finding the Fourth Proportional to 223,933.33, 309,028.32 and 121,959.25

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Solution

The fourth proportional to 223,933.33, 309,028.32 and 121,959.25 is: 168,303.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,933.33 : 309,028.32 = 121,959.25 : x
  2. Step 2: Convert to fraction form
    223,933.33/309,028.32 = 121,959.25/x
  3. Step 3: Cross multiply
    223,933.33x = 309,028.32 × 121,959.25
  4. Step 4: Simplify right side
    223,933.33x = 37,688,862,135.96
  5. Step 5: Solve for x
    x = 37,688,862,135.96/223,933.33
  6. Step 6: Final answer
    x = 168,303.94

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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.