Home / 127,942.64-192,080.26-98,381.23

Finding the Fourth Proportional to 127,942.64, 192,080.26 and 98,381.23

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Solution

The fourth proportional to 127,942.64, 192,080.26 and 98,381.23 is: 147,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,942.64 : 192,080.26 = 98,381.23 : x
  2. Step 2: Convert to fraction form
    127,942.64/192,080.26 = 98,381.23/x
  3. Step 3: Cross multiply
    127,942.64x = 192,080.26 × 98,381.23
  4. Step 4: Simplify right side
    127,942.64x = 18,897,092,960.75
  5. Step 5: Solve for x
    x = 18,897,092,960.75/127,942.64
  6. Step 6: Final answer
    x = 147,699.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.