Home / 127,342.84-190,741.56-67,181.26

Finding the Fourth Proportional to 127,342.84, 190,741.56 and 67,181.26

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Solution

The fourth proportional to 127,342.84, 190,741.56 and 67,181.26 is: 100,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,342.84 : 190,741.56 = 67,181.26 : x
  2. Step 2: Convert to fraction form
    127,342.84/190,741.56 = 67,181.26/x
  3. Step 3: Cross multiply
    127,342.84x = 190,741.56 × 67,181.26
  4. Step 4: Simplify right side
    127,342.84x = 12,814,258,335.17
  5. Step 5: Solve for x
    x = 12,814,258,335.17/127,342.84
  6. Step 6: Final answer
    x = 100,628.02

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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.