Home / 127,926.81-191,822.33-39,156.48

Finding the Fourth Proportional to 127,926.81, 191,822.33 and 39,156.48

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Solution

The fourth proportional to 127,926.81, 191,822.33 and 39,156.48 is: 58,713.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,926.81 : 191,822.33 = 39,156.48 : x
  2. Step 2: Convert to fraction form
    127,926.81/191,822.33 = 39,156.48/x
  3. Step 3: Cross multiply
    127,926.81x = 191,822.33 × 39,156.48
  4. Step 4: Simplify right side
    127,926.81x = 7,511,087,326.09
  5. Step 5: Solve for x
    x = 7,511,087,326.09/127,926.81
  6. Step 6: Final answer
    x = 58,713.94

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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.