Home / 450,980.93-676,568.34-131,138.36

Finding the Fourth Proportional to 450,980.93, 676,568.34 and 131,138.36

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Solution

The fourth proportional to 450,980.93, 676,568.34 and 131,138.36 is: 196,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,980.93 : 676,568.34 = 131,138.36 : x
  2. Step 2: Convert to fraction form
    450,980.93/676,568.34 = 131,138.36/x
  3. Step 3: Cross multiply
    450,980.93x = 676,568.34 × 131,138.36
  4. Step 4: Simplify right side
    450,980.93x = 88,724,062,535.52
  5. Step 5: Solve for x
    x = 88,724,062,535.52/450,980.93
  6. Step 6: Final answer
    x = 196,735.73

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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.