Home / 236,378.14-354,570.30-78,606.58

Finding the Fourth Proportional to 236,378.14, 354,570.30 and 78,606.58

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Solution

The fourth proportional to 236,378.14, 354,570.30 and 78,606.58 is: 117,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,378.14 : 354,570.30 = 78,606.58 : x
  2. Step 2: Convert to fraction form
    236,378.14/354,570.30 = 78,606.58/x
  3. Step 3: Cross multiply
    236,378.14x = 354,570.30 × 78,606.58
  4. Step 4: Simplify right side
    236,378.14x = 27,871,558,652.57
  5. Step 5: Solve for x
    x = 27,871,558,652.57/236,378.14
  6. Step 6: Final answer
    x = 117,910.90

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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.