Home / 127,452.25-175,812.37-76,451.41

Finding the Fourth Proportional to 127,452.25, 175,812.37 and 76,451.41

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Solution

The fourth proportional to 127,452.25, 175,812.37 and 76,451.41 is: 105,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,452.25 : 175,812.37 = 76,451.41 : x
  2. Step 2: Convert to fraction form
    127,452.25/175,812.37 = 76,451.41/x
  3. Step 3: Cross multiply
    127,452.25x = 175,812.37 × 76,451.41
  4. Step 4: Simplify right side
    127,452.25x = 13,441,103,610.58
  5. Step 5: Solve for x
    x = 13,441,103,610.58/127,452.25
  6. Step 6: Final answer
    x = 105,459.92

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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.