Home / 146,612.68-219,984.60-84,283.24

Finding the Fourth Proportional to 146,612.68, 219,984.60 and 84,283.24

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Solution

The fourth proportional to 146,612.68, 219,984.60 and 84,283.24 is: 126,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,612.68 : 219,984.60 = 84,283.24 : x
  2. Step 2: Convert to fraction form
    146,612.68/219,984.60 = 84,283.24/x
  3. Step 3: Cross multiply
    146,612.68x = 219,984.60 × 84,283.24
  4. Step 4: Simplify right side
    146,612.68x = 18,541,014,838.10
  5. Step 5: Solve for x
    x = 18,541,014,838.10/146,612.68
  6. Step 6: Final answer
    x = 126,462.56

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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.