Home / 141,816.89-195,707.33-77,286.14

Finding the Fourth Proportional to 141,816.89, 195,707.33 and 77,286.14

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Solution

The fourth proportional to 141,816.89, 195,707.33 and 77,286.14 is: 106,654.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,816.89 : 195,707.33 = 77,286.14 : x
  2. Step 2: Convert to fraction form
    141,816.89/195,707.33 = 77,286.14/x
  3. Step 3: Cross multiply
    141,816.89x = 195,707.33 × 77,286.14
  4. Step 4: Simplify right side
    141,816.89x = 15,125,462,740.44
  5. Step 5: Solve for x
    x = 15,125,462,740.44/141,816.89
  6. Step 6: Final answer
    x = 106,654.88

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1.5x scale

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.