Home / 164,419.64-226,896.71-91,821.76

Finding the Fourth Proportional to 164,419.64, 226,896.71 and 91,821.76

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Solution

The fourth proportional to 164,419.64, 226,896.71 and 91,821.76 is: 126,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,419.64 : 226,896.71 = 91,821.76 : x
  2. Step 2: Convert to fraction form
    164,419.64/226,896.71 = 91,821.76/x
  3. Step 3: Cross multiply
    164,419.64x = 226,896.71 × 91,821.76
  4. Step 4: Simplify right side
    164,419.64x = 20,834,054,224.06
  5. Step 5: Solve for x
    x = 20,834,054,224.06/164,419.64
  6. Step 6: Final answer
    x = 126,712.69

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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.