Home / 140,155.88-193,420.44-79,732.04

Finding the Fourth Proportional to 140,155.88, 193,420.44 and 79,732.04

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Solution

The fourth proportional to 140,155.88, 193,420.44 and 79,732.04 is: 110,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,155.88 : 193,420.44 = 79,732.04 : x
  2. Step 2: Convert to fraction form
    140,155.88/193,420.44 = 79,732.04/x
  3. Step 3: Cross multiply
    140,155.88x = 193,420.44 × 79,732.04
  4. Step 4: Simplify right side
    140,155.88x = 15,421,805,291.80
  5. Step 5: Solve for x
    x = 15,421,805,291.80/140,155.88
  6. Step 6: Final answer
    x = 110,033.24

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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.