Home / 236,109.73-325,821.94-128,677.46

Finding the Fourth Proportional to 236,109.73, 325,821.94 and 128,677.46

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Solution

The fourth proportional to 236,109.73, 325,821.94 and 128,677.46 is: 177,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,109.73 : 325,821.94 = 128,677.46 : x
  2. Step 2: Convert to fraction form
    236,109.73/325,821.94 = 128,677.46/x
  3. Step 3: Cross multiply
    236,109.73x = 325,821.94 × 128,677.46
  4. Step 4: Simplify right side
    236,109.73x = 41,925,938,183.21
  5. Step 5: Solve for x
    x = 41,925,938,183.21/236,109.73
  6. Step 6: Final answer
    x = 177,569.72

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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.