Home / 141,317.60-195,016.06-77,654.04

Finding the Fourth Proportional to 141,317.60, 195,016.06 and 77,654.04

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Solution

The fourth proportional to 141,317.60, 195,016.06 and 77,654.04 is: 107,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,317.60 : 195,016.06 = 77,654.04 : x
  2. Step 2: Convert to fraction form
    141,317.60/195,016.06 = 77,654.04/x
  3. Step 3: Cross multiply
    141,317.60x = 195,016.06 × 77,654.04
  4. Step 4: Simplify right side
    141,317.60x = 15,143,784,923.88
  5. Step 5: Solve for x
    x = 15,143,784,923.88/141,317.60
  6. Step 6: Final answer
    x = 107,161.35

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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.