Home / 127,078.35-190,493.55-60,500.58

Finding the Fourth Proportional to 127,078.35, 190,493.55 and 60,500.58

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Solution

The fourth proportional to 127,078.35, 190,493.55 and 60,500.58 is: 90,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,078.35 : 190,493.55 = 60,500.58 : x
  2. Step 2: Convert to fraction form
    127,078.35/190,493.55 = 60,500.58/x
  3. Step 3: Cross multiply
    127,078.35x = 190,493.55 × 60,500.58
  4. Step 4: Simplify right side
    127,078.35x = 11,524,970,261.26
  5. Step 5: Solve for x
    x = 11,524,970,261.26/127,078.35
  6. Step 6: Final answer
    x = 90,691.85

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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.