Home / 143,224.24-214,509.30-68,397.04

Finding the Fourth Proportional to 143,224.24, 214,509.30 and 68,397.04

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Solution

The fourth proportional to 143,224.24, 214,509.30 and 68,397.04 is: 102,439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,224.24 : 214,509.30 = 68,397.04 : x
  2. Step 2: Convert to fraction form
    143,224.24/214,509.30 = 68,397.04/x
  3. Step 3: Cross multiply
    143,224.24x = 214,509.30 × 68,397.04
  4. Step 4: Simplify right side
    143,224.24x = 14,671,801,172.47
  5. Step 5: Solve for x
    x = 14,671,801,172.47/143,224.24
  6. Step 6: Final answer
    x = 102,439.37

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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.