Home / 141,202.20-211,803.30-105,772.80

Finding the Fourth Proportional to 141,202.20, 211,803.30 and 105,772.80

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Solution

The fourth proportional to 141,202.20, 211,803.30 and 105,772.80 is: 158,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,202.20 : 211,803.30 = 105,772.80 : x
  2. Step 2: Convert to fraction form
    141,202.20/211,803.30 = 105,772.80/x
  3. Step 3: Cross multiply
    141,202.20x = 211,803.30 × 105,772.80
  4. Step 4: Simplify right side
    141,202.20x = 22,403,028,090.24
  5. Step 5: Solve for x
    x = 22,403,028,090.24/141,202.20
  6. Step 6: Final answer
    x = 158,659.20

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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.