Home / 150,335.38-207,460.20-82,353.70

Finding the Fourth Proportional to 150,335.38, 207,460.20 and 82,353.70

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Solution

The fourth proportional to 150,335.38, 207,460.20 and 82,353.70 is: 113,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,335.38 : 207,460.20 = 82,353.70 : x
  2. Step 2: Convert to fraction form
    150,335.38/207,460.20 = 82,353.70/x
  3. Step 3: Cross multiply
    150,335.38x = 207,460.20 × 82,353.70
  4. Step 4: Simplify right side
    150,335.38x = 17,085,115,072.74
  5. Step 5: Solve for x
    x = 17,085,115,072.74/150,335.38
  6. Step 6: Final answer
    x = 113,646.67

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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.