Home / 127,681.51-191,553.29-38,936.59

Finding the Fourth Proportional to 127,681.51, 191,553.29 and 38,936.59

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Solution

The fourth proportional to 127,681.51, 191,553.29 and 38,936.59 is: 58,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,681.51 : 191,553.29 = 38,936.59 : x
  2. Step 2: Convert to fraction form
    127,681.51/191,553.29 = 38,936.59/x
  3. Step 3: Cross multiply
    127,681.51x = 191,553.29 × 38,936.59
  4. Step 4: Simplify right side
    127,681.51x = 7,458,431,915.88
  5. Step 5: Solve for x
    x = 7,458,431,915.88/127,681.51
  6. Step 6: Final answer
    x = 58,414.35

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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.