Home / 150,683.45-207,943.56-82,700.96

Finding the Fourth Proportional to 150,683.45, 207,943.56 and 82,700.96

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Solution

The fourth proportional to 150,683.45, 207,943.56 and 82,700.96 is: 114,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,683.45 : 207,943.56 = 82,700.96 : x
  2. Step 2: Convert to fraction form
    150,683.45/207,943.56 = 82,700.96/x
  3. Step 3: Cross multiply
    150,683.45x = 207,943.56 × 82,700.96
  4. Step 4: Simplify right side
    150,683.45x = 17,197,130,998.10
  5. Step 5: Solve for x
    x = 17,197,130,998.10/150,683.45
  6. Step 6: Final answer
    x = 114,127.54

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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.