Home / 143,073.03-214,192.05-107,208.47

Finding the Fourth Proportional to 143,073.03, 214,192.05 and 107,208.47

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Solution

The fourth proportional to 143,073.03, 214,192.05 and 107,208.47 is: 160,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,073.03 : 214,192.05 = 107,208.47 : x
  2. Step 2: Convert to fraction form
    143,073.03/214,192.05 = 107,208.47/x
  3. Step 3: Cross multiply
    143,073.03x = 214,192.05 × 107,208.47
  4. Step 4: Simplify right side
    143,073.03x = 22,963,200,895.70
  5. Step 5: Solve for x
    x = 22,963,200,895.70/143,073.03
  6. Step 6: Final answer
    x = 160,499.86

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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.