Home / 216,441.83-324,735.65-136,386.83

Finding the Fourth Proportional to 216,441.83, 324,735.65 and 136,386.83

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Solution

The fourth proportional to 216,441.83, 324,735.65 and 136,386.83 is: 204,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,441.83 : 324,735.65 = 136,386.83 : x
  2. Step 2: Convert to fraction form
    216,441.83/324,735.65 = 136,386.83/x
  3. Step 3: Cross multiply
    216,441.83x = 324,735.65 × 136,386.83
  4. Step 4: Simplify right side
    216,441.83x = 44,289,665,209.56
  5. Step 5: Solve for x
    x = 44,289,665,209.56/216,441.83
  6. Step 6: Final answer
    x = 204,626.18

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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.