Home / 251,679.30-347,324.74-136,965.35

Finding the Fourth Proportional to 251,679.30, 347,324.74 and 136,965.35

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Solution

The fourth proportional to 251,679.30, 347,324.74 and 136,965.35 is: 189,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,679.30 : 347,324.74 = 136,965.35 : x
  2. Step 2: Convert to fraction form
    251,679.30/347,324.74 = 136,965.35/x
  3. Step 3: Cross multiply
    251,679.30x = 347,324.74 × 136,965.35
  4. Step 4: Simplify right side
    251,679.30x = 47,571,452,156.31
  5. Step 5: Solve for x
    x = 47,571,452,156.31/251,679.30
  6. Step 6: Final answer
    x = 189,016.15

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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.