Home / 117,180.53-161,709.07-63,465.54

Finding the Fourth Proportional to 117,180.53, 161,709.07 and 63,465.54

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Solution

The fourth proportional to 117,180.53, 161,709.07 and 63,465.54 is: 87,582.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,180.53 : 161,709.07 = 63,465.54 : x
  2. Step 2: Convert to fraction form
    117,180.53/161,709.07 = 63,465.54/x
  3. Step 3: Cross multiply
    117,180.53x = 161,709.07 × 63,465.54
  4. Step 4: Simplify right side
    117,180.53x = 10,262,953,450.45
  5. Step 5: Solve for x
    x = 10,262,953,450.45/117,180.53
  6. Step 6: Final answer
    x = 87,582.42

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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.