Home / 126,376.40-174,398.37-69,786.56

Finding the Fourth Proportional to 126,376.40, 174,398.37 and 69,786.56

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Solution

The fourth proportional to 126,376.40, 174,398.37 and 69,786.56 is: 96,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,376.40 : 174,398.37 = 69,786.56 : x
  2. Step 2: Convert to fraction form
    126,376.40/174,398.37 = 69,786.56/x
  3. Step 3: Cross multiply
    126,376.40x = 174,398.37 × 69,786.56
  4. Step 4: Simplify right side
    126,376.40x = 12,170,662,486.20
  5. Step 5: Solve for x
    x = 12,170,662,486.20/126,376.40
  6. Step 6: Final answer
    x = 96,304.87

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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.