Home / 142,837.63-197,059.84-91,842.26

Finding the Fourth Proportional to 142,837.63, 197,059.84 and 91,842.26

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Solution

The fourth proportional to 142,837.63, 197,059.84 and 91,842.26 is: 126,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,837.63 : 197,059.84 = 91,842.26 : x
  2. Step 2: Convert to fraction form
    142,837.63/197,059.84 = 91,842.26/x
  3. Step 3: Cross multiply
    142,837.63x = 197,059.84 × 91,842.26
  4. Step 4: Simplify right side
    142,837.63x = 18,098,419,845.93
  5. Step 5: Solve for x
    x = 18,098,419,845.93/142,837.63
  6. Step 6: Final answer
    x = 126,706.25

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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.