Home / 126,765.42-190,133.72-33,278.46

Finding the Fourth Proportional to 126,765.42, 190,133.72 and 33,278.46

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Solution

The fourth proportional to 126,765.42, 190,133.72 and 33,278.46 is: 49,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,765.42 : 190,133.72 = 33,278.46 : x
  2. Step 2: Convert to fraction form
    126,765.42/190,133.72 = 33,278.46/x
  3. Step 3: Cross multiply
    126,765.42x = 190,133.72 × 33,278.46
  4. Step 4: Simplify right side
    126,765.42x = 6,327,357,395.67
  5. Step 5: Solve for x
    x = 6,327,357,395.67/126,765.42
  6. Step 6: Final answer
    x = 49,913.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.