Home / 117,180.51-161,708.72-63,465.39

Finding the Fourth Proportional to 117,180.51, 161,708.72 and 63,465.39

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Solution

The fourth proportional to 117,180.51, 161,708.72 and 63,465.39 is: 87,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,180.51 : 161,708.72 = 63,465.39 : x
  2. Step 2: Convert to fraction form
    117,180.51/161,708.72 = 63,465.39/x
  3. Step 3: Cross multiply
    117,180.51x = 161,708.72 × 63,465.39
  4. Step 4: Simplify right side
    117,180.51x = 10,262,906,663.87
  5. Step 5: Solve for x
    x = 10,262,906,663.87/117,180.51
  6. Step 6: Final answer
    x = 87,582.03

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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.