Home / 167,899.61-231,630.76-111,212.57

Finding the Fourth Proportional to 167,899.61, 231,630.76 and 111,212.57

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Solution

The fourth proportional to 167,899.61, 231,630.76 and 111,212.57 is: 153,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,899.61 : 231,630.76 = 111,212.57 : x
  2. Step 2: Convert to fraction form
    167,899.61/231,630.76 = 111,212.57/x
  3. Step 3: Cross multiply
    167,899.61x = 231,630.76 × 111,212.57
  4. Step 4: Simplify right side
    167,899.61x = 25,760,252,110.65
  5. Step 5: Solve for x
    x = 25,760,252,110.65/167,899.61
  6. Step 6: Final answer
    x = 153,426.52

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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.