Home / 126,754.05-174,920.37-70,165.43

Finding the Fourth Proportional to 126,754.05, 174,920.37 and 70,165.43

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Solution

The fourth proportional to 126,754.05, 174,920.37 and 70,165.43 is: 96,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,754.05 : 174,920.37 = 70,165.43 : x
  2. Step 2: Convert to fraction form
    126,754.05/174,920.37 = 70,165.43/x
  3. Step 3: Cross multiply
    126,754.05x = 174,920.37 × 70,165.43
  4. Step 4: Simplify right side
    126,754.05x = 12,273,362,976.81
  5. Step 5: Solve for x
    x = 12,273,362,976.81/126,754.05
  6. Step 6: Final answer
    x = 96,828.17

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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.