Home / 113,519.24-156,650.46-63,215

Finding the Fourth Proportional to 113,519.24, 156,650.46 and 63,215

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Solution

The fourth proportional to 113,519.24, 156,650.46 and 63,215 is: 87,233.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,519.24 : 156,650.46 = 63,215 : x
  2. Step 2: Convert to fraction form
    113,519.24/156,650.46 = 63,215/x
  3. Step 3: Cross multiply
    113,519.24x = 156,650.46 × 63,215
  4. Step 4: Simplify right side
    113,519.24x = 9,902,658,828.90
  5. Step 5: Solve for x
    x = 9,902,658,828.90/113,519.24
  6. Step 6: Final answer
    x = 87,233.31

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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.