Home / 141,576.39-195,379.29-77,918.22

Finding the Fourth Proportional to 141,576.39, 195,379.29 and 77,918.22

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Solution

The fourth proportional to 141,576.39, 195,379.29 and 77,918.22 is: 107,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,576.39 : 195,379.29 = 77,918.22 : x
  2. Step 2: Convert to fraction form
    141,576.39/195,379.29 = 77,918.22/x
  3. Step 3: Cross multiply
    141,576.39x = 195,379.29 × 77,918.22
  4. Step 4: Simplify right side
    141,576.39x = 15,223,606,501.66
  5. Step 5: Solve for x
    x = 15,223,606,501.66/141,576.39
  6. Step 6: Final answer
    x = 107,529.27

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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.