Home / 219,890.49-303,432.14-124,403.33

Finding the Fourth Proportional to 219,890.49, 303,432.14 and 124,403.33

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Solution

The fourth proportional to 219,890.49, 303,432.14 and 124,403.33 is: 171,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,890.49 : 303,432.14 = 124,403.33 : x
  2. Step 2: Convert to fraction form
    219,890.49/303,432.14 = 124,403.33/x
  3. Step 3: Cross multiply
    219,890.49x = 303,432.14 × 124,403.33
  4. Step 4: Simplify right side
    219,890.49x = 37,747,968,645.03
  5. Step 5: Solve for x
    x = 37,747,968,645.03/219,890.49
  6. Step 6: Final answer
    x = 171,667.13

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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.