Home / 146,219.92-219,285.23-61,978.50

Finding the Fourth Proportional to 146,219.92, 219,285.23 and 61,978.50

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Solution

The fourth proportional to 146,219.92, 219,285.23 and 61,978.50 is: 92,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,219.92 : 219,285.23 = 61,978.50 : x
  2. Step 2: Convert to fraction form
    146,219.92/219,285.23 = 61,978.50/x
  3. Step 3: Cross multiply
    146,219.92x = 219,285.23 × 61,978.50
  4. Step 4: Simplify right side
    146,219.92x = 13,590,969,317.66
  5. Step 5: Solve for x
    x = 13,590,969,317.66/146,219.92
  6. Step 6: Final answer
    x = 92,948.82

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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.