Home / 143,003.16-214,499.11-43,160.63

Finding the Fourth Proportional to 143,003.16, 214,499.11 and 43,160.63

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Solution

The fourth proportional to 143,003.16, 214,499.11 and 43,160.63 is: 64,739.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,003.16 : 214,499.11 = 43,160.63 : x
  2. Step 2: Convert to fraction form
    143,003.16/214,499.11 = 43,160.63/x
  3. Step 3: Cross multiply
    143,003.16x = 214,499.11 × 43,160.63
  4. Step 4: Simplify right side
    143,003.16x = 9,257,916,722.04
  5. Step 5: Solve for x
    x = 9,257,916,722.04/143,003.16
  6. Step 6: Final answer
    x = 64,739.25

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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.