Home / 150,047.45-207,057.80-82,051.21

Finding the Fourth Proportional to 150,047.45, 207,057.80 and 82,051.21

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Solution

The fourth proportional to 150,047.45, 207,057.80 and 82,051.21 is: 113,226.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,047.45 : 207,057.80 = 82,051.21 : x
  2. Step 2: Convert to fraction form
    150,047.45/207,057.80 = 82,051.21/x
  3. Step 3: Cross multiply
    150,047.45x = 207,057.80 × 82,051.21
  4. Step 4: Simplify right side
    150,047.45x = 16,989,343,493.89
  5. Step 5: Solve for x
    x = 16,989,343,493.89/150,047.45
  6. Step 6: Final answer
    x = 113,226.47

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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.