Home / 133,216.21-199,837.75-43,255.16

Finding the Fourth Proportional to 133,216.21, 199,837.75 and 43,255.16

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Solution

The fourth proportional to 133,216.21, 199,837.75 and 43,255.16 is: 64,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,216.21 : 199,837.75 = 43,255.16 : x
  2. Step 2: Convert to fraction form
    133,216.21/199,837.75 = 43,255.16/x
  3. Step 3: Cross multiply
    133,216.21x = 199,837.75 × 43,255.16
  4. Step 4: Simplify right side
    133,216.21x = 8,644,013,524.19
  5. Step 5: Solve for x
    x = 8,644,013,524.19/133,216.21
  6. Step 6: Final answer
    x = 64,887.10

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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.