Home / 146,120.14-219,188.73-40,947.31

Finding the Fourth Proportional to 146,120.14, 219,188.73 and 40,947.31

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Solution

The fourth proportional to 146,120.14, 219,188.73 and 40,947.31 is: 61,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,120.14 : 219,188.73 = 40,947.31 : x
  2. Step 2: Convert to fraction form
    146,120.14/219,188.73 = 40,947.31/x
  3. Step 3: Cross multiply
    146,120.14x = 219,188.73 × 40,947.31
  4. Step 4: Simplify right side
    146,120.14x = 8,975,187,779.87
  5. Step 5: Solve for x
    x = 8,975,187,779.87/146,120.14
  6. Step 6: Final answer
    x = 61,423.35

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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.