Home / 208,347.96-312,580.26-66,183.24

Finding the Fourth Proportional to 208,347.96, 312,580.26 and 66,183.24

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Solution

The fourth proportional to 208,347.96, 312,580.26 and 66,183.24 is: 99,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,347.96 : 312,580.26 = 66,183.24 : x
  2. Step 2: Convert to fraction form
    208,347.96/312,580.26 = 66,183.24/x
  3. Step 3: Cross multiply
    208,347.96x = 312,580.26 × 66,183.24
  4. Step 4: Simplify right side
    208,347.96x = 20,687,574,366.84
  5. Step 5: Solve for x
    x = 20,687,574,366.84/208,347.96
  6. Step 6: Final answer
    x = 99,293.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.