Home / 220,677.22-304,456.24-144,240.46

Finding the Fourth Proportional to 220,677.22, 304,456.24 and 144,240.46

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Solution

The fourth proportional to 220,677.22, 304,456.24 and 144,240.46 is: 199,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,677.22 : 304,456.24 = 144,240.46 : x
  2. Step 2: Convert to fraction form
    220,677.22/304,456.24 = 144,240.46/x
  3. Step 3: Cross multiply
    220,677.22x = 304,456.24 × 144,240.46
  4. Step 4: Simplify right side
    220,677.22x = 43,914,907,526.63
  5. Step 5: Solve for x
    x = 43,914,907,526.63/220,677.22
  6. Step 6: Final answer
    x = 199,000.64

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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.