Home / 126,366.29-174,343.24-81,068.73

Finding the Fourth Proportional to 126,366.29, 174,343.24 and 81,068.73

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Solution

The fourth proportional to 126,366.29, 174,343.24 and 81,068.73 is: 111,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,366.29 : 174,343.24 = 81,068.73 : x
  2. Step 2: Convert to fraction form
    126,366.29/174,343.24 = 81,068.73/x
  3. Step 3: Cross multiply
    126,366.29x = 174,343.24 × 81,068.73
  4. Step 4: Simplify right side
    126,366.29x = 14,133,785,050.89
  5. Step 5: Solve for x
    x = 14,133,785,050.89/126,366.29
  6. Step 6: Final answer
    x = 111,847.75

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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.