Home / 141,620.70-195,442.14-77,964.42

Finding the Fourth Proportional to 141,620.70, 195,442.14 and 77,964.42

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Solution

The fourth proportional to 141,620.70, 195,442.14 and 77,964.42 is: 107,593.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,620.70 : 195,442.14 = 77,964.42 : x
  2. Step 2: Convert to fraction form
    141,620.70/195,442.14 = 77,964.42/x
  3. Step 3: Cross multiply
    141,620.70x = 195,442.14 × 77,964.42
  4. Step 4: Simplify right side
    141,620.70x = 15,237,533,088.66
  5. Step 5: Solve for x
    x = 15,237,533,088.66/141,620.70
  6. Step 6: Final answer
    x = 107,593.97

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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.