Home / 141,885.52-195,796.12-77,353.36

Finding the Fourth Proportional to 141,885.52, 195,796.12 and 77,353.36

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Solution

The fourth proportional to 141,885.52, 195,796.12 and 77,353.36 is: 106,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,885.52 : 195,796.12 = 77,353.36 : x
  2. Step 2: Convert to fraction form
    141,885.52/195,796.12 = 77,353.36/x
  3. Step 3: Cross multiply
    141,885.52x = 195,796.12 × 77,353.36
  4. Step 4: Simplify right side
    141,885.52x = 15,145,487,756.96
  5. Step 5: Solve for x
    x = 15,145,487,756.96/141,885.52
  6. Step 6: Final answer
    x = 106,744.42

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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.