Home / 143,195.10-214,792.65-73,211.10

Finding the Fourth Proportional to 143,195.10, 214,792.65 and 73,211.10

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Solution

The fourth proportional to 143,195.10, 214,792.65 and 73,211.10 is: 109,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,195.10 : 214,792.65 = 73,211.10 : x
  2. Step 2: Convert to fraction form
    143,195.10/214,792.65 = 73,211.10/x
  3. Step 3: Cross multiply
    143,195.10x = 214,792.65 × 73,211.10
  4. Step 4: Simplify right side
    143,195.10x = 15,725,206,178.42
  5. Step 5: Solve for x
    x = 15,725,206,178.42/143,195.10
  6. Step 6: Final answer
    x = 109,816.65

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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.