Home / 113,378.13-169,808.00-54,255.33

Finding the Fourth Proportional to 113,378.13, 169,808.00 and 54,255.33

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Solution

The fourth proportional to 113,378.13, 169,808.00 and 54,255.33 is: 81,258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,378.13 : 169,808.00 = 54,255.33 : x
  2. Step 2: Convert to fraction form
    113,378.13/169,808.00 = 54,255.33/x
  3. Step 3: Cross multiply
    113,378.13x = 169,808.00 × 54,255.33
  4. Step 4: Simplify right side
    113,378.13x = 9,212,988,805.36
  5. Step 5: Solve for x
    x = 9,212,988,805.36/113,378.13
  6. Step 6: Final answer
    x = 81,258.96

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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.