Home / 146,586.70-219,880.05-145,711.90

Finding the Fourth Proportional to 146,586.70, 219,880.05 and 145,711.90

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Solution

The fourth proportional to 146,586.70, 219,880.05 and 145,711.90 is: 218,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,586.70 : 219,880.05 = 145,711.90 : x
  2. Step 2: Convert to fraction form
    146,586.70/219,880.05 = 145,711.90/x
  3. Step 3: Cross multiply
    146,586.70x = 219,880.05 × 145,711.90
  4. Step 4: Simplify right side
    146,586.70x = 32,039,139,857.60
  5. Step 5: Solve for x
    x = 32,039,139,857.60/146,586.70
  6. Step 6: Final answer
    x = 218,567.85

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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.