Home / 141,816.01-195,705.03-78,153.80

Finding the Fourth Proportional to 141,816.01, 195,705.03 and 78,153.80

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Solution

The fourth proportional to 141,816.01, 195,705.03 and 78,153.80 is: 107,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,816.01 : 195,705.03 = 78,153.80 : x
  2. Step 2: Convert to fraction form
    141,816.01/195,705.03 = 78,153.80/x
  3. Step 3: Cross multiply
    141,816.01x = 195,705.03 × 78,153.80
  4. Step 4: Simplify right side
    141,816.01x = 15,295,092,262.88
  5. Step 5: Solve for x
    x = 15,295,092,262.88/141,816.01
  6. Step 6: Final answer
    x = 107,851.66

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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.