Home / 150,022.65-207,028.13-82,038.86

Finding the Fourth Proportional to 150,022.65, 207,028.13 and 82,038.86

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Solution

The fourth proportional to 150,022.65, 207,028.13 and 82,038.86 is: 113,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,022.65 : 207,028.13 = 82,038.86 : x
  2. Step 2: Convert to fraction form
    150,022.65/207,028.13 = 82,038.86/x
  3. Step 3: Cross multiply
    150,022.65x = 207,028.13 × 82,038.86
  4. Step 4: Simplify right side
    150,022.65x = 16,984,350,327.80
  5. Step 5: Solve for x
    x = 16,984,350,327.80/150,022.65
  6. Step 6: Final answer
    x = 113,211.91

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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.