Home / 127,926.54-191,972.84-57,806.46

Finding the Fourth Proportional to 127,926.54, 191,972.84 and 57,806.46

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Solution

The fourth proportional to 127,926.54, 191,972.84 and 57,806.46 is: 86,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,926.54 : 191,972.84 = 57,806.46 : x
  2. Step 2: Convert to fraction form
    127,926.54/191,972.84 = 57,806.46/x
  3. Step 3: Cross multiply
    127,926.54x = 191,972.84 × 57,806.46
  4. Step 4: Simplify right side
    127,926.54x = 11,097,270,007.51
  5. Step 5: Solve for x
    x = 11,097,270,007.51/127,926.54
  6. Step 6: Final answer
    x = 86,747.21

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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.