Home / 172,316.55-258,474.92-53,997.15

Finding the Fourth Proportional to 172,316.55, 258,474.92 and 53,997.15

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Solution

The fourth proportional to 172,316.55, 258,474.92 and 53,997.15 is: 80,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,316.55 : 258,474.92 = 53,997.15 : x
  2. Step 2: Convert to fraction form
    172,316.55/258,474.92 = 53,997.15/x
  3. Step 3: Cross multiply
    172,316.55x = 258,474.92 × 53,997.15
  4. Step 4: Simplify right side
    172,316.55x = 13,956,908,756.49
  5. Step 5: Solve for x
    x = 13,956,908,756.49/172,316.55
  6. Step 6: Final answer
    x = 80,995.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.