Home / 165,212.40-227,993.68-93,605.68

Finding the Fourth Proportional to 165,212.40, 227,993.68 and 93,605.68

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Solution

The fourth proportional to 165,212.40, 227,993.68 and 93,605.68 is: 129,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,212.40 : 227,993.68 = 93,605.68 : x
  2. Step 2: Convert to fraction form
    165,212.40/227,993.68 = 93,605.68/x
  3. Step 3: Cross multiply
    165,212.40x = 227,993.68 × 93,605.68
  4. Step 4: Simplify right side
    165,212.40x = 21,341,503,452.10
  5. Step 5: Solve for x
    x = 21,341,503,452.10/165,212.40
  6. Step 6: Final answer
    x = 129,176.16

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1.5x scale

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.