Home / 126,434.82-189,592.02-37,657.20

Finding the Fourth Proportional to 126,434.82, 189,592.02 and 37,657.20

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Solution

The fourth proportional to 126,434.82, 189,592.02 and 37,657.20 is: 56,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,434.82 : 189,592.02 = 37,657.20 : x
  2. Step 2: Convert to fraction form
    126,434.82/189,592.02 = 37,657.20/x
  3. Step 3: Cross multiply
    126,434.82x = 189,592.02 × 37,657.20
  4. Step 4: Simplify right side
    126,434.82x = 7,139,504,615.54
  5. Step 5: Solve for x
    x = 7,139,504,615.54/126,434.82
  6. Step 6: Final answer
    x = 56,467.87

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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.