Home / 221,224.00-305,312.53-135,233.33

Finding the Fourth Proportional to 221,224.00, 305,312.53 and 135,233.33

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Solution

The fourth proportional to 221,224.00, 305,312.53 and 135,233.33 is: 186,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,224.00 : 305,312.53 = 135,233.33 : x
  2. Step 2: Convert to fraction form
    221,224.00/305,312.53 = 135,233.33/x
  3. Step 3: Cross multiply
    221,224.00x = 305,312.53 × 135,233.33
  4. Step 4: Simplify right side
    221,224.00x = 41,288,428,511.54
  5. Step 5: Solve for x
    x = 41,288,428,511.54/221,224.00
  6. Step 6: Final answer
    x = 186,636.30

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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.