Home / 199,637.80-275,546.46-131,666.92

Finding the Fourth Proportional to 199,637.80, 275,546.46 and 131,666.92

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Solution

The fourth proportional to 199,637.80, 275,546.46 and 131,666.92 is: 181,730.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,637.80 : 275,546.46 = 131,666.92 : x
  2. Step 2: Convert to fraction form
    199,637.80/275,546.46 = 131,666.92/x
  3. Step 3: Cross multiply
    199,637.80x = 275,546.46 × 131,666.92
  4. Step 4: Simplify right side
    199,637.80x = 36,280,353,705.10
  5. Step 5: Solve for x
    x = 36,280,353,705.10/199,637.80
  6. Step 6: Final answer
    x = 181,730.88

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1.5x scale

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.