Home / 131,723.80-197,580.90-52,816.60

Finding the Fourth Proportional to 131,723.80, 197,580.90 and 52,816.60

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Solution

The fourth proportional to 131,723.80, 197,580.90 and 52,816.60 is: 79,222.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,723.80 : 197,580.90 = 52,816.60 : x
  2. Step 2: Convert to fraction form
    131,723.80/197,580.90 = 52,816.60/x
  3. Step 3: Cross multiply
    131,723.80x = 197,580.90 × 52,816.60
  4. Step 4: Simplify right side
    131,723.80x = 10,435,551,362.94
  5. Step 5: Solve for x
    x = 10,435,551,362.94/131,723.80
  6. Step 6: Final answer
    x = 79,222.98

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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.