Home / 199,606.68-275,503.53-131,635.92

Finding the Fourth Proportional to 199,606.68, 275,503.53 and 131,635.92

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Solution

The fourth proportional to 199,606.68, 275,503.53 and 131,635.92 is: 181,688.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,606.68 : 275,503.53 = 131,635.92 : x
  2. Step 2: Convert to fraction form
    199,606.68/275,503.53 = 131,635.92/x
  3. Step 3: Cross multiply
    199,606.68x = 275,503.53 × 131,635.92
  4. Step 4: Simplify right side
    199,606.68x = 36,266,160,634.80
  5. Step 5: Solve for x
    x = 36,266,160,634.80/199,606.68
  6. Step 6: Final answer
    x = 181,688.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.