Home / 186,998.31-257,926.68-126,542.34

Finding the Fourth Proportional to 186,998.31, 257,926.68 and 126,542.34

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Solution

The fourth proportional to 186,998.31, 257,926.68 and 126,542.34 is: 174,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,998.31 : 257,926.68 = 126,542.34 : x
  2. Step 2: Convert to fraction form
    186,998.31/257,926.68 = 126,542.34/x
  3. Step 3: Cross multiply
    186,998.31x = 257,926.68 × 126,542.34
  4. Step 4: Simplify right side
    186,998.31x = 32,638,645,635.63
  5. Step 5: Solve for x
    x = 32,638,645,635.63/186,998.31
  6. Step 6: Final answer
    x = 174,539.79

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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.