Home / 167,931.02-231,741.49-91,451.02

Finding the Fourth Proportional to 167,931.02, 231,741.49 and 91,451.02

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Solution

The fourth proportional to 167,931.02, 231,741.49 and 91,451.02 is: 126,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,931.02 : 231,741.49 = 91,451.02 : x
  2. Step 2: Convert to fraction form
    167,931.02/231,741.49 = 91,451.02/x
  3. Step 3: Cross multiply
    167,931.02x = 231,741.49 × 91,451.02
  4. Step 4: Simplify right side
    167,931.02x = 21,192,995,636.82
  5. Step 5: Solve for x
    x = 21,192,995,636.82/167,931.02
  6. Step 6: Final answer
    x = 126,200.60

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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.