Home / 131,998.58-182,158.85-71,568.69

Finding the Fourth Proportional to 131,998.58, 182,158.85 and 71,568.69

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Solution

The fourth proportional to 131,998.58, 182,158.85 and 71,568.69 is: 98,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,998.58 : 182,158.85 = 71,568.69 : x
  2. Step 2: Convert to fraction form
    131,998.58/182,158.85 = 71,568.69/x
  3. Step 3: Cross multiply
    131,998.58x = 182,158.85 × 71,568.69
  4. Step 4: Simplify right side
    131,998.58x = 13,036,869,908.56
  5. Step 5: Solve for x
    x = 13,036,869,908.56/131,998.58
  6. Step 6: Final answer
    x = 98,765.23

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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.