Home / 117,156.36-161,676.54-63,441.38

Finding the Fourth Proportional to 117,156.36, 161,676.54 and 63,441.38

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Solution

The fourth proportional to 117,156.36, 161,676.54 and 63,441.38 is: 87,549.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,156.36 : 161,676.54 = 63,441.38 : x
  2. Step 2: Convert to fraction form
    117,156.36/161,676.54 = 63,441.38/x
  3. Step 3: Cross multiply
    117,156.36x = 161,676.54 × 63,441.38
  4. Step 4: Simplify right side
    117,156.36x = 10,256,982,811.23
  5. Step 5: Solve for x
    x = 10,256,982,811.23/117,156.36
  6. Step 6: Final answer
    x = 87,549.52

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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.