Home / 126,741.48-174,891.28-75,744.06

Finding the Fourth Proportional to 126,741.48, 174,891.28 and 75,744.06

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Solution

The fourth proportional to 126,741.48, 174,891.28 and 75,744.06 is: 104,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,741.48 : 174,891.28 = 75,744.06 : x
  2. Step 2: Convert to fraction form
    126,741.48/174,891.28 = 75,744.06/x
  3. Step 3: Cross multiply
    126,741.48x = 174,891.28 × 75,744.06
  4. Step 4: Simplify right side
    126,741.48x = 13,246,975,605.80
  5. Step 5: Solve for x
    x = 13,246,975,605.80/126,741.48
  6. Step 6: Final answer
    x = 104,519.65

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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.