Home / 236,379.14-354,571.80-78,607.58

Finding the Fourth Proportional to 236,379.14, 354,571.80 and 78,607.58

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Solution

The fourth proportional to 236,379.14, 354,571.80 and 78,607.58 is: 117,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,379.14 : 354,571.80 = 78,607.58 : x
  2. Step 2: Convert to fraction form
    236,379.14/354,571.80 = 78,607.58/x
  3. Step 3: Cross multiply
    236,379.14x = 354,571.80 × 78,607.58
  4. Step 4: Simplify right side
    236,379.14x = 27,872,031,134.24
  5. Step 5: Solve for x
    x = 27,872,031,134.24/236,379.14
  6. Step 6: Final answer
    x = 117,912.40

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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.