Home / 140,482.23-193,868.85-80,051.57

Finding the Fourth Proportional to 140,482.23, 193,868.85 and 80,051.57

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Solution

The fourth proportional to 140,482.23, 193,868.85 and 80,051.57 is: 110,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,482.23 : 193,868.85 = 80,051.57 : x
  2. Step 2: Convert to fraction form
    140,482.23/193,868.85 = 80,051.57/x
  3. Step 3: Cross multiply
    140,482.23x = 193,868.85 × 80,051.57
  4. Step 4: Simplify right side
    140,482.23x = 15,519,505,816.59
  5. Step 5: Solve for x
    x = 15,519,505,816.59/140,482.23
  6. Step 6: Final answer
    x = 110,473.09

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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.