Home / 150,022.15-207,027.43-82,038.36

Finding the Fourth Proportional to 150,022.15, 207,027.43 and 82,038.36

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Solution

The fourth proportional to 150,022.15, 207,027.43 and 82,038.36 is: 113,211.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,022.15 : 207,027.43 = 82,038.36 : x
  2. Step 2: Convert to fraction form
    150,022.15/207,027.43 = 82,038.36/x
  3. Step 3: Cross multiply
    150,022.15x = 207,027.43 × 82,038.36
  4. Step 4: Simplify right side
    150,022.15x = 16,984,190,832.21
  5. Step 5: Solve for x
    x = 16,984,190,832.21/150,022.15
  6. Step 6: Final answer
    x = 113,211.22

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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.