Home / 150,760.78-208,052.85-82,777.16

Finding the Fourth Proportional to 150,760.78, 208,052.85 and 82,777.16

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Solution

The fourth proportional to 150,760.78, 208,052.85 and 82,777.16 is: 114,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,760.78 : 208,052.85 = 82,777.16 : x
  2. Step 2: Convert to fraction form
    150,760.78/208,052.85 = 82,777.16/x
  3. Step 3: Cross multiply
    150,760.78x = 208,052.85 × 82,777.16
  4. Step 4: Simplify right side
    150,760.78x = 17,222,022,598.76
  5. Step 5: Solve for x
    x = 17,222,022,598.76/150,760.78
  6. Step 6: Final answer
    x = 114,234.11

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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.