Home / 121,690.02-182,090.97-71,794.02

Finding the Fourth Proportional to 121,690.02, 182,090.97 and 71,794.02

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Solution

The fourth proportional to 121,690.02, 182,090.97 and 71,794.02 is: 107,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,690.02 : 182,090.97 = 71,794.02 : x
  2. Step 2: Convert to fraction form
    121,690.02/182,090.97 = 71,794.02/x
  3. Step 3: Cross multiply
    121,690.02x = 182,090.97 × 71,794.02
  4. Step 4: Simplify right side
    121,690.02x = 13,073,042,742.00
  5. Step 5: Solve for x
    x = 13,073,042,742.00/121,690.02
  6. Step 6: Final answer
    x = 107,429.05

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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.