Home / 113,181.56-156,195.48-62,880.56

Finding the Fourth Proportional to 113,181.56, 156,195.48 and 62,880.56

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Solution

The fourth proportional to 113,181.56, 156,195.48 and 62,880.56 is: 86,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,181.56 : 156,195.48 = 62,880.56 : x
  2. Step 2: Convert to fraction form
    113,181.56/156,195.48 = 62,880.56/x
  3. Step 3: Cross multiply
    113,181.56x = 156,195.48 × 62,880.56
  4. Step 4: Simplify right side
    113,181.56x = 9,821,659,251.87
  5. Step 5: Solve for x
    x = 9,821,659,251.87/113,181.56
  6. Step 6: Final answer
    x = 86,777.91

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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.