Home / 140,589.90-193,891.41-99,673.19

Finding the Fourth Proportional to 140,589.90, 193,891.41 and 99,673.19

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Solution

The fourth proportional to 140,589.90, 193,891.41 and 99,673.19 is: 137,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,589.90 : 193,891.41 = 99,673.19 : x
  2. Step 2: Convert to fraction form
    140,589.90/193,891.41 = 99,673.19/x
  3. Step 3: Cross multiply
    140,589.90x = 193,891.41 × 99,673.19
  4. Step 4: Simplify right side
    140,589.90x = 19,325,775,334.66
  5. Step 5: Solve for x
    x = 19,325,775,334.66/140,589.90
  6. Step 6: Final answer
    x = 137,462.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.