Home / 141,458.62-195,209.01-77,796.43

Finding the Fourth Proportional to 141,458.62, 195,209.01 and 77,796.43

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Solution

The fourth proportional to 141,458.62, 195,209.01 and 77,796.43 is: 107,356.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,458.62 : 195,209.01 = 77,796.43 : x
  2. Step 2: Convert to fraction form
    141,458.62/195,209.01 = 77,796.43/x
  3. Step 3: Cross multiply
    141,458.62x = 195,209.01 × 77,796.43
  4. Step 4: Simplify right side
    141,458.62x = 15,186,564,081.83
  5. Step 5: Solve for x
    x = 15,186,564,081.83/141,458.62
  6. Step 6: Final answer
    x = 107,356.94

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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.