Home / 127,926.48-176,539.56-74,243.52

Finding the Fourth Proportional to 127,926.48, 176,539.56 and 74,243.52

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Solution

The fourth proportional to 127,926.48, 176,539.56 and 74,243.52 is: 102,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,926.48 : 176,539.56 = 74,243.52 : x
  2. Step 2: Convert to fraction form
    127,926.48/176,539.56 = 74,243.52/x
  3. Step 3: Cross multiply
    127,926.48x = 176,539.56 × 74,243.52
  4. Step 4: Simplify right side
    127,926.48x = 13,106,918,353.65
  5. Step 5: Solve for x
    x = 13,106,918,353.65/127,926.48
  6. Step 6: Final answer
    x = 102,456.65

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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.