Home / 127,837.75-176,416.26-76,851.04

Finding the Fourth Proportional to 127,837.75, 176,416.26 and 76,851.04

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Solution

The fourth proportional to 127,837.75, 176,416.26 and 76,851.04 is: 106,054.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,837.75 : 176,416.26 = 76,851.04 : x
  2. Step 2: Convert to fraction form
    127,837.75/176,416.26 = 76,851.04/x
  3. Step 3: Cross multiply
    127,837.75x = 176,416.26 × 76,851.04
  4. Step 4: Simplify right side
    127,837.75x = 13,557,773,053.91
  5. Step 5: Solve for x
    x = 13,557,773,053.91/127,837.75
  6. Step 6: Final answer
    x = 106,054.53

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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.