Home / 167,474.40-231,081.84-99,512.16

Finding the Fourth Proportional to 167,474.40, 231,081.84 and 99,512.16

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Solution

The fourth proportional to 167,474.40, 231,081.84 and 99,512.16 is: 137,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,474.40 : 231,081.84 = 99,512.16 : x
  2. Step 2: Convert to fraction form
    167,474.40/231,081.84 = 99,512.16/x
  3. Step 3: Cross multiply
    167,474.40x = 231,081.84 × 99,512.16
  4. Step 4: Simplify right side
    167,474.40x = 22,995,453,035.17
  5. Step 5: Solve for x
    x = 22,995,453,035.17/167,474.40
  6. Step 6: Final answer
    x = 137,307.27

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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.