Home / 199,606.80-275,503.68-131,635.92

Finding the Fourth Proportional to 199,606.80, 275,503.68 and 131,635.92

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Solution

The fourth proportional to 199,606.80, 275,503.68 and 131,635.92 is: 181,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,606.80 : 275,503.68 = 131,635.92 : x
  2. Step 2: Convert to fraction form
    199,606.80/275,503.68 = 131,635.92/x
  3. Step 3: Cross multiply
    199,606.80x = 275,503.68 × 131,635.92
  4. Step 4: Simplify right side
    199,606.80x = 36,266,180,380.19
  5. Step 5: Solve for x
    x = 36,266,180,380.19/199,606.80
  6. Step 6: Final answer
    x = 181,688.10

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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.