Home / 167,900.61-231,632.14-111,213.57

Finding the Fourth Proportional to 167,900.61, 231,632.14 and 111,213.57

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Solution

The fourth proportional to 167,900.61, 231,632.14 and 111,213.57 is: 153,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,900.61 : 231,632.14 = 111,213.57 : x
  2. Step 2: Convert to fraction form
    167,900.61/231,632.14 = 111,213.57/x
  3. Step 3: Cross multiply
    167,900.61x = 231,632.14 × 111,213.57
  4. Step 4: Simplify right side
    167,900.61x = 25,760,637,216.14
  5. Step 5: Solve for x
    x = 25,760,637,216.14/167,900.61
  6. Step 6: Final answer
    x = 153,427.90

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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.