Home / 165,483.12-248,329.57-70,713.96

Finding the Fourth Proportional to 165,483.12, 248,329.57 and 70,713.96

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Solution

The fourth proportional to 165,483.12, 248,329.57 and 70,713.96 is: 106,115.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,483.12 : 248,329.57 = 70,713.96 : x
  2. Step 2: Convert to fraction form
    165,483.12/248,329.57 = 70,713.96/x
  3. Step 3: Cross multiply
    165,483.12x = 248,329.57 × 70,713.96
  4. Step 4: Simplify right side
    165,483.12x = 17,560,367,279.80
  5. Step 5: Solve for x
    x = 17,560,367,279.80/165,483.12
  6. Step 6: Final answer
    x = 106,115.76

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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.