Home / 131,415.58-197,270.88-52,584.76

Finding the Fourth Proportional to 131,415.58, 197,270.88 and 52,584.76

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Solution

The fourth proportional to 131,415.58, 197,270.88 and 52,584.76 is: 78,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,415.58 : 197,270.88 = 52,584.76 : x
  2. Step 2: Convert to fraction form
    131,415.58/197,270.88 = 52,584.76/x
  3. Step 3: Cross multiply
    131,415.58x = 197,270.88 × 52,584.76
  4. Step 4: Simplify right side
    131,415.58x = 10,373,441,879.79
  5. Step 5: Solve for x
    x = 10,373,441,879.79/131,415.58
  6. Step 6: Final answer
    x = 78,936.16

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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.