Home / 222,982.88-307,731.53-126,186.80

Finding the Fourth Proportional to 222,982.88, 307,731.53 and 126,186.80

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Solution

The fourth proportional to 222,982.88, 307,731.53 and 126,186.80 is: 174,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,982.88 : 307,731.53 = 126,186.80 : x
  2. Step 2: Convert to fraction form
    222,982.88/307,731.53 = 126,186.80/x
  3. Step 3: Cross multiply
    222,982.88x = 307,731.53 × 126,186.80
  4. Step 4: Simplify right side
    222,982.88x = 38,831,655,806.61
  5. Step 5: Solve for x
    x = 38,831,655,806.61/222,982.88
  6. Step 6: Final answer
    x = 174,146.36

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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.