Home / 110,308.20-165,530.70-57,755.40

Finding the Fourth Proportional to 110,308.20, 165,530.70 and 57,755.40

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Solution

The fourth proportional to 110,308.20, 165,530.70 and 57,755.40 is: 86,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,308.20 : 165,530.70 = 57,755.40 : x
  2. Step 2: Convert to fraction form
    110,308.20/165,530.70 = 57,755.40/x
  3. Step 3: Cross multiply
    110,308.20x = 165,530.70 × 57,755.40
  4. Step 4: Simplify right side
    110,308.20x = 9,560,291,790.78
  5. Step 5: Solve for x
    x = 9,560,291,790.78/110,308.20
  6. Step 6: Final answer
    x = 86,668.91

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1.5x scale

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.