Home / 103,201.02-154,845.36-56,399.22

Finding the Fourth Proportional to 103,201.02, 154,845.36 and 56,399.22

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Solution

The fourth proportional to 103,201.02, 154,845.36 and 56,399.22 is: 84,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,201.02 : 154,845.36 = 56,399.22 : x
  2. Step 2: Convert to fraction form
    103,201.02/154,845.36 = 56,399.22/x
  3. Step 3: Cross multiply
    103,201.02x = 154,845.36 × 56,399.22
  4. Step 4: Simplify right side
    103,201.02x = 8,733,157,524.62
  5. Step 5: Solve for x
    x = 8,733,157,524.62/103,201.02
  6. Step 6: Final answer
    x = 84,622.78

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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.