Home / 109,231.29-163,588.44-69,668.46

Finding the Fourth Proportional to 109,231.29, 163,588.44 and 69,668.46

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Solution

The fourth proportional to 109,231.29, 163,588.44 and 69,668.46 is: 104,337.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,231.29 : 163,588.44 = 69,668.46 : x
  2. Step 2: Convert to fraction form
    109,231.29/163,588.44 = 69,668.46/x
  3. Step 3: Cross multiply
    109,231.29x = 163,588.44 × 69,668.46
  4. Step 4: Simplify right side
    109,231.29x = 11,396,954,688.60
  5. Step 5: Solve for x
    x = 11,396,954,688.60/109,231.29
  6. Step 6: Final answer
    x = 104,337.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.