Home / 138,462.56-207,782.16-49,714.24

Finding the Fourth Proportional to 138,462.56, 207,782.16 and 49,714.24

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Solution

The fourth proportional to 138,462.56, 207,782.16 and 49,714.24 is: 74,603.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,462.56 : 207,782.16 = 49,714.24 : x
  2. Step 2: Convert to fraction form
    138,462.56/207,782.16 = 49,714.24/x
  3. Step 3: Cross multiply
    138,462.56x = 207,782.16 × 49,714.24
  4. Step 4: Simplify right side
    138,462.56x = 10,329,732,169.96
  5. Step 5: Solve for x
    x = 10,329,732,169.96/138,462.56
  6. Step 6: Final answer
    x = 74,603.07

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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.