Home / 141,458.19-195,208.39-77,796.03

Finding the Fourth Proportional to 141,458.19, 195,208.39 and 77,796.03

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Solution

The fourth proportional to 141,458.19, 195,208.39 and 77,796.03 is: 107,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,458.19 : 195,208.39 = 77,796.03 : x
  2. Step 2: Convert to fraction form
    141,458.19/195,208.39 = 77,796.03/x
  3. Step 3: Cross multiply
    141,458.19x = 195,208.39 × 77,796.03
  4. Step 4: Simplify right side
    141,458.19x = 15,186,437,764.69
  5. Step 5: Solve for x
    x = 15,186,437,764.69/141,458.19
  6. Step 6: Final answer
    x = 107,356.37

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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.