Home / 126,516.54-174,589.79-69,153.29

Finding the Fourth Proportional to 126,516.54, 174,589.79 and 69,153.29

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Solution

The fourth proportional to 126,516.54, 174,589.79 and 69,153.29 is: 95,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,516.54 : 174,589.79 = 69,153.29 : x
  2. Step 2: Convert to fraction form
    126,516.54/174,589.79 = 69,153.29/x
  3. Step 3: Cross multiply
    126,516.54x = 174,589.79 × 69,153.29
  4. Step 4: Simplify right side
    126,516.54x = 12,073,457,160.19
  5. Step 5: Solve for x
    x = 12,073,457,160.19/126,516.54
  6. Step 6: Final answer
    x = 95,429.87

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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.