Home / 141,462.72-195,170.74-80,202.36

Finding the Fourth Proportional to 141,462.72, 195,170.74 and 80,202.36

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Solution

The fourth proportional to 141,462.72, 195,170.74 and 80,202.36 is: 110,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,462.72 : 195,170.74 = 80,202.36 : x
  2. Step 2: Convert to fraction form
    141,462.72/195,170.74 = 80,202.36/x
  3. Step 3: Cross multiply
    141,462.72x = 195,170.74 × 80,202.36
  4. Step 4: Simplify right side
    141,462.72x = 15,653,153,950.95
  5. Step 5: Solve for x
    x = 15,653,153,950.95/141,462.72
  6. Step 6: Final answer
    x = 110,652.15

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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.