Home / 172,316.74-258,475.20-53,997.34

Finding the Fourth Proportional to 172,316.74, 258,475.20 and 53,997.34

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Solution

The fourth proportional to 172,316.74, 258,475.20 and 53,997.34 is: 80,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,316.74 : 258,475.20 = 53,997.34 : x
  2. Step 2: Convert to fraction form
    172,316.74/258,475.20 = 53,997.34/x
  3. Step 3: Cross multiply
    172,316.74x = 258,475.20 × 53,997.34
  4. Step 4: Simplify right side
    172,316.74x = 13,956,972,407.29
  5. Step 5: Solve for x
    x = 13,956,972,407.29/172,316.74
  6. Step 6: Final answer
    x = 80,996.03

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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.