Home / 115,674.30-173,857.05-100,467.90

Finding the Fourth Proportional to 115,674.30, 173,857.05 and 100,467.90

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Solution

The fourth proportional to 115,674.30, 173,857.05 and 100,467.90 is: 151,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,674.30 : 173,857.05 = 100,467.90 : x
  2. Step 2: Convert to fraction form
    115,674.30/173,857.05 = 100,467.90/x
  3. Step 3: Cross multiply
    115,674.30x = 173,857.05 × 100,467.90
  4. Step 4: Simplify right side
    115,674.30x = 17,467,052,713.70
  5. Step 5: Solve for x
    x = 17,467,052,713.70/115,674.30
  6. Step 6: Final answer
    x = 151,002.02

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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.