Home / 117,913.47-162,719.61-64,198.38

Finding the Fourth Proportional to 117,913.47, 162,719.61 and 64,198.38

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Solution

The fourth proportional to 117,913.47, 162,719.61 and 64,198.38 is: 88,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,913.47 : 162,719.61 = 64,198.38 : x
  2. Step 2: Convert to fraction form
    117,913.47/162,719.61 = 64,198.38/x
  3. Step 3: Cross multiply
    117,913.47x = 162,719.61 × 64,198.38
  4. Step 4: Simplify right side
    117,913.47x = 10,446,335,356.23
  5. Step 5: Solve for x
    x = 10,446,335,356.23/117,913.47
  6. Step 6: Final answer
    x = 88,593.23

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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.