Home / 146,621.10-219,834.45-53,114.70

Finding the Fourth Proportional to 146,621.10, 219,834.45 and 53,114.70

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Solution

The fourth proportional to 146,621.10, 219,834.45 and 53,114.70 is: 79,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,621.10 : 219,834.45 = 53,114.70 : x
  2. Step 2: Convert to fraction form
    146,621.10/219,834.45 = 53,114.70/x
  3. Step 3: Cross multiply
    146,621.10x = 219,834.45 × 53,114.70
  4. Step 4: Simplify right side
    146,621.10x = 11,676,440,861.42
  5. Step 5: Solve for x
    x = 11,676,440,861.42/146,621.10
  6. Step 6: Final answer
    x = 79,636.84

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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.