Home / 117,238.50-161,788.18-63,523.35

Finding the Fourth Proportional to 117,238.50, 161,788.18 and 63,523.35

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Solution

The fourth proportional to 117,238.50, 161,788.18 and 63,523.35 is: 87,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,238.50 : 161,788.18 = 63,523.35 : x
  2. Step 2: Convert to fraction form
    117,238.50/161,788.18 = 63,523.35/x
  3. Step 3: Cross multiply
    117,238.50x = 161,788.18 × 63,523.35
  4. Step 4: Simplify right side
    117,238.50x = 10,277,327,184.00
  5. Step 5: Solve for x
    x = 10,277,327,184.00/117,238.50
  6. Step 6: Final answer
    x = 87,661.71

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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.