Home / 126,219.27-174,170.47-69,627

Finding the Fourth Proportional to 126,219.27, 174,170.47 and 69,627

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Solution

The fourth proportional to 126,219.27, 174,170.47 and 69,627 is: 96,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,219.27 : 174,170.47 = 69,627 : x
  2. Step 2: Convert to fraction form
    126,219.27/174,170.47 = 69,627/x
  3. Step 3: Cross multiply
    126,219.27x = 174,170.47 × 69,627
  4. Step 4: Simplify right side
    126,219.27x = 12,126,967,314.69
  5. Step 5: Solve for x
    x = 12,126,967,314.69/126,219.27
  6. Step 6: Final answer
    x = 96,078.57

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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.