Home / 140,931.97-211,397.96-121,900.04

Finding the Fourth Proportional to 140,931.97, 211,397.96 and 121,900.04

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Solution

The fourth proportional to 140,931.97, 211,397.96 and 121,900.04 is: 182,850.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,931.97 : 211,397.96 = 121,900.04 : x
  2. Step 2: Convert to fraction form
    140,931.97/211,397.96 = 121,900.04/x
  3. Step 3: Cross multiply
    140,931.97x = 211,397.96 × 121,900.04
  4. Step 4: Simplify right side
    140,931.97x = 25,769,419,698.91
  5. Step 5: Solve for x
    x = 25,769,419,698.91/140,931.97
  6. Step 6: Final answer
    x = 182,850.07

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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.