Home / 219,636.33-303,113.60-124,143.75

Finding the Fourth Proportional to 219,636.33, 303,113.60 and 124,143.75

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Solution

The fourth proportional to 219,636.33, 303,113.60 and 124,143.75 is: 171,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,636.33 : 303,113.60 = 124,143.75 : x
  2. Step 2: Convert to fraction form
    219,636.33/303,113.60 = 124,143.75/x
  3. Step 3: Cross multiply
    219,636.33x = 303,113.60 × 124,143.75
  4. Step 4: Simplify right side
    219,636.33x = 37,629,658,359.28
  5. Step 5: Solve for x
    x = 37,629,658,359.28/219,636.33
  6. Step 6: Final answer
    x = 171,327.11

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1.5x scale

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.