Home / 126,743.22-190,046.64-50,803.68

Finding the Fourth Proportional to 126,743.22, 190,046.64 and 50,803.68

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Solution

The fourth proportional to 126,743.22, 190,046.64 and 50,803.68 is: 76,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,743.22 : 190,046.64 = 50,803.68 : x
  2. Step 2: Convert to fraction form
    126,743.22/190,046.64 = 50,803.68/x
  3. Step 3: Cross multiply
    126,743.22x = 190,046.64 × 50,803.68
  4. Step 4: Simplify right side
    126,743.22x = 9,655,068,683.64
  5. Step 5: Solve for x
    x = 9,655,068,683.64/126,743.22
  6. Step 6: Final answer
    x = 76,178.19

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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.