Home / 126,848.20-190,293.88-43,722.76

Finding the Fourth Proportional to 126,848.20, 190,293.88 and 43,722.76

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Solution

The fourth proportional to 126,848.20, 190,293.88 and 43,722.76 is: 65,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,848.20 : 190,293.88 = 43,722.76 : x
  2. Step 2: Convert to fraction form
    126,848.20/190,293.88 = 43,722.76/x
  3. Step 3: Cross multiply
    126,848.20x = 190,293.88 × 43,722.76
  4. Step 4: Simplify right side
    126,848.20x = 8,320,173,644.71
  5. Step 5: Solve for x
    x = 8,320,173,644.71/126,848.20
  6. Step 6: Final answer
    x = 65,591.58

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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.