Home / 150,567.12-207,781.21-82,582.71

Finding the Fourth Proportional to 150,567.12, 207,781.21 and 82,582.71

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Solution

The fourth proportional to 150,567.12, 207,781.21 and 82,582.71 is: 113,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,567.12 : 207,781.21 = 82,582.71 : x
  2. Step 2: Convert to fraction form
    150,567.12/207,781.21 = 82,582.71/x
  3. Step 3: Cross multiply
    150,567.12x = 207,781.21 × 82,582.71
  4. Step 4: Simplify right side
    150,567.12x = 17,159,135,408.88
  5. Step 5: Solve for x
    x = 17,159,135,408.88/150,567.12
  6. Step 6: Final answer
    x = 113,963.36

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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.