Home / 244,989.12-338,053.62-142,991.22

Finding the Fourth Proportional to 244,989.12, 338,053.62 and 142,991.22

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Solution

The fourth proportional to 244,989.12, 338,053.62 and 142,991.22 is: 197,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,989.12 : 338,053.62 = 142,991.22 : x
  2. Step 2: Convert to fraction form
    244,989.12/338,053.62 = 142,991.22/x
  3. Step 3: Cross multiply
    244,989.12x = 338,053.62 × 142,991.22
  4. Step 4: Simplify right side
    244,989.12x = 48,338,699,549.22
  5. Step 5: Solve for x
    x = 48,338,699,549.22/244,989.12
  6. Step 6: Final answer
    x = 197,309.58

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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.