Home / 151,446.01-208,996.92-83,465.43

Finding the Fourth Proportional to 151,446.01, 208,996.92 and 83,465.43

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Solution

The fourth proportional to 151,446.01, 208,996.92 and 83,465.43 is: 115,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,446.01 : 208,996.92 = 83,465.43 : x
  2. Step 2: Convert to fraction form
    151,446.01/208,996.92 = 83,465.43/x
  3. Step 3: Cross multiply
    151,446.01x = 208,996.92 × 83,465.43
  4. Step 4: Simplify right side
    151,446.01x = 17,444,017,379.15
  5. Step 5: Solve for x
    x = 17,444,017,379.15/151,446.01
  6. Step 6: Final answer
    x = 115,183.08

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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.