Home / 140,947.56-211,392.63-52,179.96

Finding the Fourth Proportional to 140,947.56, 211,392.63 and 52,179.96

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Solution

The fourth proportional to 140,947.56, 211,392.63 and 52,179.96 is: 78,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,947.56 : 211,392.63 = 52,179.96 : x
  2. Step 2: Convert to fraction form
    140,947.56/211,392.63 = 52,179.96/x
  3. Step 3: Cross multiply
    140,947.56x = 211,392.63 × 52,179.96
  4. Step 4: Simplify right side
    140,947.56x = 11,030,458,977.69
  5. Step 5: Solve for x
    x = 11,030,458,977.69/140,947.56
  6. Step 6: Final answer
    x = 78,259.31

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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.