Home / 141,914.35-212,912.63-42,076.45

Finding the Fourth Proportional to 141,914.35, 212,912.63 and 42,076.45

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Solution

The fourth proportional to 141,914.35, 212,912.63 and 42,076.45 is: 63,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,914.35 : 212,912.63 = 42,076.45 : x
  2. Step 2: Convert to fraction form
    141,914.35/212,912.63 = 42,076.45/x
  3. Step 3: Cross multiply
    141,914.35x = 212,912.63 × 42,076.45
  4. Step 4: Simplify right side
    141,914.35x = 8,958,606,355.62
  5. Step 5: Solve for x
    x = 8,958,606,355.62/141,914.35
  6. Step 6: Final answer
    x = 63,126.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.