Home / 202,195.35-279,026.93-111,555.14

Finding the Fourth Proportional to 202,195.35, 279,026.93 and 111,555.14

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Solution

The fourth proportional to 202,195.35, 279,026.93 and 111,555.14 is: 153,944.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,195.35 : 279,026.93 = 111,555.14 : x
  2. Step 2: Convert to fraction form
    202,195.35/279,026.93 = 111,555.14/x
  3. Step 3: Cross multiply
    202,195.35x = 279,026.93 × 111,555.14
  4. Step 4: Simplify right side
    202,195.35x = 31,126,887,123.67
  5. Step 5: Solve for x
    x = 31,126,887,123.67/202,195.35
  6. Step 6: Final answer
    x = 153,944.62

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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.