Home / 140,331.36-193,589.84-102,031.60

Finding the Fourth Proportional to 140,331.36, 193,589.84 and 102,031.60

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Solution

The fourth proportional to 140,331.36, 193,589.84 and 102,031.60 is: 140,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,331.36 : 193,589.84 = 102,031.60 : x
  2. Step 2: Convert to fraction form
    140,331.36/193,589.84 = 102,031.60/x
  3. Step 3: Cross multiply
    140,331.36x = 193,589.84 × 102,031.60
  4. Step 4: Simplify right side
    140,331.36x = 19,752,281,118.94
  5. Step 5: Solve for x
    x = 19,752,281,118.94/140,331.36
  6. Step 6: Final answer
    x = 140,754.58

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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.