Home / 126,755.24-174,921.57-69,399.77

Finding the Fourth Proportional to 126,755.24, 174,921.57 and 69,399.77

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Solution

The fourth proportional to 126,755.24, 174,921.57 and 69,399.77 is: 95,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,755.24 : 174,921.57 = 69,399.77 : x
  2. Step 2: Convert to fraction form
    126,755.24/174,921.57 = 69,399.77/x
  3. Step 3: Cross multiply
    126,755.24x = 174,921.57 × 69,399.77
  4. Step 4: Simplify right side
    126,755.24x = 12,139,515,851.43
  5. Step 5: Solve for x
    x = 12,139,515,851.43/126,755.24
  6. Step 6: Final answer
    x = 95,771.32

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1.5x scale

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.