Home / 127,193.82-190,725.12-67,254.66

Finding the Fourth Proportional to 127,193.82, 190,725.12 and 67,254.66

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Solution

The fourth proportional to 127,193.82, 190,725.12 and 67,254.66 is: 100,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,193.82 : 190,725.12 = 67,254.66 : x
  2. Step 2: Convert to fraction form
    127,193.82/190,725.12 = 67,254.66/x
  3. Step 3: Cross multiply
    127,193.82x = 190,725.12 × 67,254.66
  4. Step 4: Simplify right side
    127,193.82x = 12,827,153,099.06
  5. Step 5: Solve for x
    x = 12,827,153,099.06/127,193.82
  6. Step 6: Final answer
    x = 100,847.30

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1.5x scale

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.