Home / 141,574.23-195,372.38-77,912.03

Finding the Fourth Proportional to 141,574.23, 195,372.38 and 77,912.03

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Solution

The fourth proportional to 141,574.23, 195,372.38 and 77,912.03 is: 107,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,574.23 : 195,372.38 = 77,912.03 : x
  2. Step 2: Convert to fraction form
    141,574.23/195,372.38 = 77,912.03/x
  3. Step 3: Cross multiply
    141,574.23x = 195,372.38 × 77,912.03
  4. Step 4: Simplify right side
    141,574.23x = 15,221,857,950.39
  5. Step 5: Solve for x
    x = 15,221,857,950.39/141,574.23
  6. Step 6: Final answer
    x = 107,518.56

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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.