Home / 202,196.10-279,027.96-111,555.90

Finding the Fourth Proportional to 202,196.10, 279,027.96 and 111,555.90

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Solution

The fourth proportional to 202,196.10, 279,027.96 and 111,555.90 is: 153,945.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,196.10 : 279,027.96 = 111,555.90 : x
  2. Step 2: Convert to fraction form
    202,196.10/279,027.96 = 111,555.90/x
  3. Step 3: Cross multiply
    202,196.10x = 279,027.96 × 111,555.90
  4. Step 4: Simplify right side
    202,196.10x = 31,127,215,202.96
  5. Step 5: Solve for x
    x = 31,127,215,202.96/202,196.10
  6. Step 6: Final answer
    x = 153,945.68

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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.