Home / 215,997.30-324,056.70-97,666.02

Finding the Fourth Proportional to 215,997.30, 324,056.70 and 97,666.02

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Solution

The fourth proportional to 215,997.30, 324,056.70 and 97,666.02 is: 146,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,997.30 : 324,056.70 = 97,666.02 : x
  2. Step 2: Convert to fraction form
    215,997.30/324,056.70 = 97,666.02/x
  3. Step 3: Cross multiply
    215,997.30x = 324,056.70 × 97,666.02
  4. Step 4: Simplify right side
    215,997.30x = 31,649,328,143.33
  5. Step 5: Solve for x
    x = 31,649,328,143.33/215,997.30
  6. Step 6: Final answer
    x = 146,526.50

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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.