Home / 220,083.60-303,716.28-124,608.72

Finding the Fourth Proportional to 220,083.60, 303,716.28 and 124,608.72

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Solution

The fourth proportional to 220,083.60, 303,716.28 and 124,608.72 is: 171,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,083.60 : 303,716.28 = 124,608.72 : x
  2. Step 2: Convert to fraction form
    220,083.60/303,716.28 = 124,608.72/x
  3. Step 3: Cross multiply
    220,083.60x = 303,716.28 × 124,608.72
  4. Step 4: Simplify right side
    220,083.60x = 37,845,696,893.96
  5. Step 5: Solve for x
    x = 37,845,696,893.96/220,083.60
  6. Step 6: Final answer
    x = 171,960.55

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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.