Home / 133,467.20-199,909.20-103,651.10

Finding the Fourth Proportional to 133,467.20, 199,909.20 and 103,651.10

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Solution

The fourth proportional to 133,467.20, 199,909.20 and 103,651.10 is: 155,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,467.20 : 199,909.20 = 103,651.10 : x
  2. Step 2: Convert to fraction form
    133,467.20/199,909.20 = 103,651.10/x
  3. Step 3: Cross multiply
    133,467.20x = 199,909.20 × 103,651.10
  4. Step 4: Simplify right side
    133,467.20x = 20,720,808,480.12
  5. Step 5: Solve for x
    x = 20,720,808,480.12/133,467.20
  6. Step 6: Final answer
    x = 155,250.19

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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.