Home / 164,538.72-226,947.96-100,901.88

Finding the Fourth Proportional to 164,538.72, 226,947.96 and 100,901.88

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Solution

The fourth proportional to 164,538.72, 226,947.96 and 100,901.88 is: 139,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,538.72 : 226,947.96 = 100,901.88 : x
  2. Step 2: Convert to fraction form
    164,538.72/226,947.96 = 100,901.88/x
  3. Step 3: Cross multiply
    164,538.72x = 226,947.96 × 100,901.88
  4. Step 4: Simplify right side
    164,538.72x = 22,899,475,826.16
  5. Step 5: Solve for x
    x = 22,899,475,826.16/164,538.72
  6. Step 6: Final answer
    x = 139,173.78

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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.