Home / 220,263.10-303,969.31-124,769.77

Finding the Fourth Proportional to 220,263.10, 303,969.31 and 124,769.77

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Solution

The fourth proportional to 220,263.10, 303,969.31 and 124,769.77 is: 172,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,263.10 : 303,969.31 = 124,769.77 : x
  2. Step 2: Convert to fraction form
    220,263.10/303,969.31 = 124,769.77/x
  3. Step 3: Cross multiply
    220,263.10x = 303,969.31 × 124,769.77
  4. Step 4: Simplify right side
    220,263.10x = 37,926,179,823.91
  5. Step 5: Solve for x
    x = 37,926,179,823.91/220,263.10
  6. Step 6: Final answer
    x = 172,185.81

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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.