Home / 127,765.02-191,656.75-51,827.09

Finding the Fourth Proportional to 127,765.02, 191,656.75 and 51,827.09

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Solution

The fourth proportional to 127,765.02, 191,656.75 and 51,827.09 is: 77,744.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,765.02 : 191,656.75 = 51,827.09 : x
  2. Step 2: Convert to fraction form
    127,765.02/191,656.75 = 51,827.09/x
  3. Step 3: Cross multiply
    127,765.02x = 191,656.75 × 51,827.09
  4. Step 4: Simplify right side
    127,765.02x = 9,933,010,867.43
  5. Step 5: Solve for x
    x = 9,933,010,867.43/127,765.02
  6. Step 6: Final answer
    x = 77,744.37

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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.