Home / 117,180.00-161,707.60-63,463.79

Finding the Fourth Proportional to 117,180.00, 161,707.60 and 63,463.79

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Solution

The fourth proportional to 117,180.00, 161,707.60 and 63,463.79 is: 87,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,180.00 : 161,707.60 = 63,463.79 : x
  2. Step 2: Convert to fraction form
    117,180.00/161,707.60 = 63,463.79/x
  3. Step 3: Cross multiply
    117,180.00x = 161,707.60 × 63,463.79
  4. Step 4: Simplify right side
    117,180.00x = 10,262,577,088.47
  5. Step 5: Solve for x
    x = 10,262,577,088.47/117,180.00
  6. Step 6: Final answer
    x = 87,579.59

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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.