Home / 141,876.63-195,787.08-77,346.54

Finding the Fourth Proportional to 141,876.63, 195,787.08 and 77,346.54

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Solution

The fourth proportional to 141,876.63, 195,787.08 and 77,346.54 is: 106,736.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,876.63 : 195,787.08 = 77,346.54 : x
  2. Step 2: Convert to fraction form
    141,876.63/195,787.08 = 77,346.54/x
  3. Step 3: Cross multiply
    141,876.63x = 195,787.08 × 77,346.54
  4. Step 4: Simplify right side
    141,876.63x = 15,143,453,214.70
  5. Step 5: Solve for x
    x = 15,143,453,214.70/141,876.63
  6. Step 6: Final answer
    x = 106,736.77

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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.