Home / 150,397.96-207,540.24-82,401.40

Finding the Fourth Proportional to 150,397.96, 207,540.24 and 82,401.40

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Solution

The fourth proportional to 150,397.96, 207,540.24 and 82,401.40 is: 113,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,397.96 : 207,540.24 = 82,401.40 : x
  2. Step 2: Convert to fraction form
    150,397.96/207,540.24 = 82,401.40/x
  3. Step 3: Cross multiply
    150,397.96x = 207,540.24 × 82,401.40
  4. Step 4: Simplify right side
    150,397.96x = 17,101,606,332.34
  5. Step 5: Solve for x
    x = 17,101,606,332.34/150,397.96
  6. Step 6: Final answer
    x = 113,709.03

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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.