Home / 126,131.24-174,057.78-69,541.16

Finding the Fourth Proportional to 126,131.24, 174,057.78 and 69,541.16

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Solution

The fourth proportional to 126,131.24, 174,057.78 and 69,541.16 is: 95,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,131.24 : 174,057.78 = 69,541.16 : x
  2. Step 2: Convert to fraction form
    126,131.24/174,057.78 = 69,541.16/x
  3. Step 3: Cross multiply
    126,131.24x = 174,057.78 × 69,541.16
  4. Step 4: Simplify right side
    126,131.24x = 12,104,179,928.22
  5. Step 5: Solve for x
    x = 12,104,179,928.22/126,131.24
  6. Step 6: Final answer
    x = 95,964.96

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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.