Home / 126,928.62-190,435.59-48,064.86

Finding the Fourth Proportional to 126,928.62, 190,435.59 and 48,064.86

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Solution

The fourth proportional to 126,928.62, 190,435.59 and 48,064.86 is: 72,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,928.62 : 190,435.59 = 48,064.86 : x
  2. Step 2: Convert to fraction form
    126,928.62/190,435.59 = 48,064.86/x
  3. Step 3: Cross multiply
    126,928.62x = 190,435.59 × 48,064.86
  4. Step 4: Simplify right side
    126,928.62x = 9,153,259,972.37
  5. Step 5: Solve for x
    x = 9,153,259,972.37/126,928.62
  6. Step 6: Final answer
    x = 72,113.44

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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.