Home / 165,980.45-229,073.60-101,436.41

Finding the Fourth Proportional to 165,980.45, 229,073.60 and 101,436.41

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Solution

The fourth proportional to 165,980.45, 229,073.60 and 101,436.41 is: 139,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,980.45 : 229,073.60 = 101,436.41 : x
  2. Step 2: Convert to fraction form
    165,980.45/229,073.60 = 101,436.41/x
  3. Step 3: Cross multiply
    165,980.45x = 229,073.60 × 101,436.41
  4. Step 4: Simplify right side
    165,980.45x = 23,236,403,609.78
  5. Step 5: Solve for x
    x = 23,236,403,609.78/165,980.45
  6. Step 6: Final answer
    x = 139,994.82

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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.