Home / 126,986.66-175,241.83-70,398.03

Finding the Fourth Proportional to 126,986.66, 175,241.83 and 70,398.03

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Solution

The fourth proportional to 126,986.66, 175,241.83 and 70,398.03 is: 97,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,986.66 : 175,241.83 = 70,398.03 : x
  2. Step 2: Convert to fraction form
    126,986.66/175,241.83 = 70,398.03/x
  3. Step 3: Cross multiply
    126,986.66x = 175,241.83 × 70,398.03
  4. Step 4: Simplify right side
    126,986.66x = 12,336,679,605.59
  5. Step 5: Solve for x
    x = 12,336,679,605.59/126,986.66
  6. Step 6: Final answer
    x = 97,149.42

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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.