Home / 194,821.20-292,241.40-101,509.20

Finding the Fourth Proportional to 194,821.20, 292,241.40 and 101,509.20

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Solution

The fourth proportional to 194,821.20, 292,241.40 and 101,509.20 is: 152,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,821.20 : 292,241.40 = 101,509.20 : x
  2. Step 2: Convert to fraction form
    194,821.20/292,241.40 = 101,509.20/x
  3. Step 3: Cross multiply
    194,821.20x = 292,241.40 × 101,509.20
  4. Step 4: Simplify right side
    194,821.20x = 29,665,190,720.88
  5. Step 5: Solve for x
    x = 29,665,190,720.88/194,821.20
  6. Step 6: Final answer
    x = 152,268.80

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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.