Home / 117,913.05-162,720.02-64,198.04

Finding the Fourth Proportional to 117,913.05, 162,720.02 and 64,198.04

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Solution

The fourth proportional to 117,913.05, 162,720.02 and 64,198.04 is: 88,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,913.05 : 162,720.02 = 64,198.04 : x
  2. Step 2: Convert to fraction form
    117,913.05/162,720.02 = 64,198.04/x
  3. Step 3: Cross multiply
    117,913.05x = 162,720.02 × 64,198.04
  4. Step 4: Simplify right side
    117,913.05x = 10,446,305,699.66
  5. Step 5: Solve for x
    x = 10,446,305,699.66/117,913.05
  6. Step 6: Final answer
    x = 88,593.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.