Home / 140,503.82-193,888.26-80,077.01

Finding the Fourth Proportional to 140,503.82, 193,888.26 and 80,077.01

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Solution

The fourth proportional to 140,503.82, 193,888.26 and 80,077.01 is: 110,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,503.82 : 193,888.26 = 80,077.01 : x
  2. Step 2: Convert to fraction form
    140,503.82/193,888.26 = 80,077.01/x
  3. Step 3: Cross multiply
    140,503.82x = 193,888.26 × 80,077.01
  4. Step 4: Simplify right side
    140,503.82x = 15,525,990,940.24
  5. Step 5: Solve for x
    x = 15,525,990,940.24/140,503.82
  6. Step 6: Final answer
    x = 110,502.27

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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.