Home / 140,947.22-211,420.68-34,331.12

Finding the Fourth Proportional to 140,947.22, 211,420.68 and 34,331.12

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Solution

The fourth proportional to 140,947.22, 211,420.68 and 34,331.12 is: 51,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,947.22 : 211,420.68 = 34,331.12 : x
  2. Step 2: Convert to fraction form
    140,947.22/211,420.68 = 34,331.12/x
  3. Step 3: Cross multiply
    140,947.22x = 211,420.68 × 34,331.12
  4. Step 4: Simplify right side
    140,947.22x = 7,258,308,735.56
  5. Step 5: Solve for x
    x = 7,258,308,735.56/140,947.22
  6. Step 6: Final answer
    x = 51,496.64

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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.