Home / 167,862.16-231,655.44-91,384.04

Finding the Fourth Proportional to 167,862.16, 231,655.44 and 91,384.04

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Solution

The fourth proportional to 167,862.16, 231,655.44 and 91,384.04 is: 126,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,862.16 : 231,655.44 = 91,384.04 : x
  2. Step 2: Convert to fraction form
    167,862.16/231,655.44 = 91,384.04/x
  3. Step 3: Cross multiply
    167,862.16x = 231,655.44 × 91,384.04
  4. Step 4: Simplify right side
    167,862.16x = 21,169,609,995.18
  5. Step 5: Solve for x
    x = 21,169,609,995.18/167,862.16
  6. Step 6: Final answer
    x = 126,113.06

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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.