Home / 199,586.96-275,476.24-131,616.16

Finding the Fourth Proportional to 199,586.96, 275,476.24 and 131,616.16

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Solution

The fourth proportional to 199,586.96, 275,476.24 and 131,616.16 is: 181,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,586.96 : 275,476.24 = 131,616.16 : x
  2. Step 2: Convert to fraction form
    199,586.96/275,476.24 = 131,616.16/x
  3. Step 3: Cross multiply
    199,586.96x = 275,476.24 × 131,616.16
  4. Step 4: Simplify right side
    199,586.96x = 36,257,124,880.04
  5. Step 5: Solve for x
    x = 36,257,124,880.04/199,586.96
  6. Step 6: Final answer
    x = 181,660.79

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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.