Home / 167,636.68-231,339.83-91,155.67

Finding the Fourth Proportional to 167,636.68, 231,339.83 and 91,155.67

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Solution

The fourth proportional to 167,636.68, 231,339.83 and 91,155.67 is: 125,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,636.68 : 231,339.83 = 91,155.67 : x
  2. Step 2: Convert to fraction form
    167,636.68/231,339.83 = 91,155.67/x
  3. Step 3: Cross multiply
    167,636.68x = 231,339.83 × 91,155.67
  4. Step 4: Simplify right side
    167,636.68x = 21,087,936,167.21
  5. Step 5: Solve for x
    x = 21,087,936,167.21/167,636.68
  6. Step 6: Final answer
    x = 125,795.48

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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.