Home / 140,429.55-193,794.06-79,999.29

Finding the Fourth Proportional to 140,429.55, 193,794.06 and 79,999.29

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Solution

The fourth proportional to 140,429.55, 193,794.06 and 79,999.29 is: 110,399.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,429.55 : 193,794.06 = 79,999.29 : x
  2. Step 2: Convert to fraction form
    140,429.55/193,794.06 = 79,999.29/x
  3. Step 3: Cross multiply
    140,429.55x = 193,794.06 × 79,999.29
  4. Step 4: Simplify right side
    140,429.55x = 15,503,387,206.22
  5. Step 5: Solve for x
    x = 15,503,387,206.22/140,429.55
  6. Step 6: Final answer
    x = 110,399.75

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1.5x scale

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.