Home / 76,157.42-114,233.28-19,997.01

Finding the Fourth Proportional to 76,157.42, 114,233.28 and 19,997.01

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Solution

The fourth proportional to 76,157.42, 114,233.28 and 19,997.01 is: 29,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,157.42 : 114,233.28 = 19,997.01 : x
  2. Step 2: Convert to fraction form
    76,157.42/114,233.28 = 19,997.01/x
  3. Step 3: Cross multiply
    76,157.42x = 114,233.28 × 19,997.01
  4. Step 4: Simplify right side
    76,157.42x = 2,284,324,042.49
  5. Step 5: Solve for x
    x = 2,284,324,042.49/76,157.42
  6. Step 6: Final answer
    x = 29,994.77

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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.