Home / 167,542.55-231,209.99-91,061.67

Finding the Fourth Proportional to 167,542.55, 231,209.99 and 91,061.67

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Solution

The fourth proportional to 167,542.55, 231,209.99 and 91,061.67 is: 125,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,542.55 : 231,209.99 = 91,061.67 : x
  2. Step 2: Convert to fraction form
    167,542.55/231,209.99 = 91,061.67/x
  3. Step 3: Cross multiply
    167,542.55x = 231,209.99 × 91,061.67
  4. Step 4: Simplify right side
    167,542.55x = 21,054,367,354.77
  5. Step 5: Solve for x
    x = 21,054,367,354.77/167,542.55
  6. Step 6: Final answer
    x = 125,665.80

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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.